Problem Display
PID: 32512 (5N2/8/5p2/8/1p6/kB4b1/2K5/8 w - - 0 1)

Scherbina, Viktor Leontinovich

The Problemist, 1994

5N2/8/5p2/8/1p6/kB4b1/2K5/8

#5

3 + 4


5454 Near Snap 2021
  • SOUND
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
      • 1...Be1
        • 2.Sf4
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Se6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
      • 1...Bf2
        • 2.Sf4
          • threat
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be1
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Se6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
          • 2...Bg1
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bh2
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be3
            • 3.Sd5
              • threat
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
          • 2...Bd4
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bh4
            • 3.Sd3
              • threat
                • 4.Sb2
                  • threat
                    • 5.Sc4#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Se6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
          • 2...Bc5
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bd6
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb6
            • 3.Sd5
              • threat
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba5
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd8
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...f5
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
          • 2...Ba7
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bb8
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...f5
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be1
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bg1
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bh2
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be3
            • 3.Sd5
              • threat
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd4
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bh4
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bc5
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bd6
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
            • 3.Sf5
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bd6
                • 4.Sxd6
                  • 4...f5
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be7
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf8
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
          • 2...Bb6
            • 3.Sd5
              • threat
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba5
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd8
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...f5
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
            • 3.Sc6
              • 3...Bg1
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Ba5
                • 4.Sxa5
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bc5
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bc7
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd8
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...f5
                • 4.Se5
                  • threat
                    • 5.Sc4#
          • 2...Ba7
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bb8
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...f5
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Se5
                  • threat
                    • 5.Sc4#
      • 1...Bh2
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bg1
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bh2
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
      • 1...Bf4
        • 2.Sxf4
          • 2...f5
            • 3.Se2
              • 3...f4
                • 4.Sd4
                  • 4...f3
                    • 5.Sb5#
            • 3.Sd3
              • 3...f4
                • 4.Sb2
                  • 4...f3
                    • 5.Sc4#
                • 4.Se5
                  • 4...f3
                    • 5.Sc4#
            • 3.Sd5
              • 3...f4
                • 4.Sb6
                  • 4...f3
                    • 5.Sc4#
                • 4.Sc7
                  • 4...f3
                    • 5.Sb5#
            • 3.Se6
              • 3...f4
                • 4.Sd4
                  • 4...f3
                    • 5.Sb5#
                • 4.Sc7
                  • 4...f3
                    • 5.Sb5#
            • 3.Sg6
              • 3...f4
                • 4.Se5
                  • 4...f3
                    • 5.Sc4#
        • 2.Sh4
          • threat
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
          • 2...Bc1
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd2
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bh2
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Be3
            • 3.Sf3
              • 3...Bc1
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...Bd2
                • 4.Sxd2
                  • 4...f5
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bc5
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...Bg5
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...Bh6
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
              • 3...f5
                • 4.Se5
                  • threat
                    • 5.Sc4#
          • 2...Bg3
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Be5
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
          • 2...Bg5
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd6
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
          • 2...Bh6
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bb8
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...f5
            • 3.Sxf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sf3
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Se5
                  • threat
                    • 5.Sc4#
              • 3...Be5
                • 4.Sxe5
                  • 4...f4
                    • 5.Sc4#
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Be3
            • 3.Sd5
              • threat
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Be5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
      • 1...Bh4
        • 2.Sxh4
          • 2...f5
            • 3.Sf3
              • 3...f4
                • 4.Sd2
                  • 4...f3
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • 4...f3
                    • 5.Sb5#
                • 4.Se5
                  • 4...f3
                    • 5.Sc4#
            • 3.Sg6
              • 3...f4
                • 4.Se5
                  • 4...f3
                    • 5.Sc4#
        • 2.Sf4
          • threat
            • 3.Sd3
              • threat
                • 4.Sb2
                  • threat
                    • 5.Sc4#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Se6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
      • 1...Be5
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bh2
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd4
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
          • 2...Bf4
            • 3.Sd5
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd6
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
      • 1...Bd6
        • 2.Sh4
          • threat
            • 3.Sf3
              • threat
                • 4.Sd2
                  • threat
                    • 5.Sb1#
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
          • 2...Bf4
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
          • 2...Bc5
            • 3.Sf5
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bd6
                • 4.Sxd6
                  • 4...f5
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be7
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf8
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
          • 2...Be5
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
      • 1...Bc7
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bh2
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bf4
            • 3.Sd5
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Ba5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Be5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bb6
            • 3.Sd5
              • threat
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba5
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd8
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...f5
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
            • 3.Sc6
              • 3...Bg1
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Ba5
                • 4.Sxa5
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bc5
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
              • 3...Bc7
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd8
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...f5
                • 4.Se5
                  • threat
                    • 5.Sc4#
          • 2...Bd6
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bb8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bd8
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...f5
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f4
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
              • 3...f4
                • 4.Sxc7
                  • 4...f3
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Se5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
      • 1...Bb8
        • 2.Se7
          • threat
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bh2
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bg1
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bg1
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bg3
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bf4
            • 3.Sd5
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sxe3
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Be5
                • 4.Se3
                  • threat
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Be3
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Be5
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sxd4
                  • 4...f5
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bd6
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bc5
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Ba7
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
              • 3...Bb8
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bc7
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f5
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
            • 3.Sf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f5
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
      • 1...f5
        • 2.Se7
          • threat
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bf2
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bf2
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Be1
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Se5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Bf2
            • 3.Sd5
              • threat
                • 4.Sc7
                  • threat
                    • 5.Sb5#
              • 3...Bg3
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
            • 3.Sc6
              • threat
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Se5
                  • threat
                    • 5.Sc4#
          • 2...Bh4
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Se5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...Be5
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bf4
                • 4.Sd4
                  • threat
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bd4
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sxe5
                  • 4...f4
                    • 5.Sc4#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bd4
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
          • 2...Bc7
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Sxc7
                  • 4...f4
                    • 5.Sb5#
                • 4.Se3
                  • threat
                    • 5.Sc4#
              • 3...Bf4
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
              • 3...f4
                • 4.Sxc7
                  • 4...f3
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Se5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sa7
                  • threat
                    • 5.Sb5#
              • 3...Bb6
                • 4.Sxb6
                  • 4...f4
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bb8
                • 4.Sb6
                  • threat
                    • 5.Sc4#
          • 2...Bb8
            • 3.Sxf5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sd4
                  • threat
                    • 5.Sb5#
              • 3...Ba7
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sd5
              • threat
                • 4.Se3
                  • threat
                    • 5.Sc4#
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
              • 3...Ba7
                • 4.Sxa7
                  • 4...f4
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
              • 3...Bc7
                • 4.Sa7
                  • threat
                    • 5.Sb5#
          • 2...f4
            • 3.Sd5
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sc7
                  • threat
                    • 5.Sb5#
            • 3.Sf5
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
            • 3.Sc6
              • threat
                • 4.Sd4
                  • threat
                    • 5.Sb5#
                • 4.Sa5
                  • threat
                    • 5.Sc4#
                • 4.Se5
                  • threat
                    • 5.Sc4#
                • 4.Sa7
                  • threat
                    • 5.Sb5#
            • 3.Sc8
              • threat
                • 4.Sb6
                  • threat
                    • 5.Sc4#
                • 4.Sd6
                  • threat
                    • 5.Sc4#
                    • 5.Sb5#
                • 4.Sa7
                  • threat
                    • 5.Sb5#

Anticipated by 255305(1992)



Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).