MESON Chess Problem Database

Problem Display
PID: 33593 (4N2k/P1n2pR1/4pp2/2p2B2/8/8/8/Rn2K3 w Q - 0 1)

Borodatov, Leonid

diagrammes, 1993

4N2k/P1n2pR1/4pp2/2p2B2/8/8/8/Rn2K3

#3

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.a8Q
        • threat
          • 3.Qh1#
    • 1...Sa6
      • 2.a8Q
        • threat
          • 3.Qh1#
  • Tries
    • 1.Rg1?
      • threat
        • 2.Sxf6
          • threat
            • 3.Rg8#
      • 1...Sxe8
        • 2.a8Q
          • threat
            • 3.Qh1#
            • 3.Qxe8#
      • 1...Sa3
        • 2.Rxa3
          • threat
            • 3.Rh3#
      • 1...Sb5
        • 2.Sxf6
          • threat
            • 3.Rg8#
            • 3.a8Q#
            • 3.a8R#
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Qh1#
      • 1...Sd5
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#
      • 1...Sd2!
    • 1.Rg4?
      • threat
        • 2.Sxf6
          • threat
            • 3.Rg8#
      • 1...Sxe8
        • 2.a8Q
          • threat
            • 3.Qh1#
            • 3.Qxe8#
      • 1...Sd2
        • 2.Kxd2
          • threat
            • 3.Rh1#
      • 1...Sa3
        • 2.Rxa3
          • threat
            • 3.Rh3#
        • 2.0-0-0
          • threat
            • 3.Rh1#
      • 1...Sb5
        • 2.Sxf6
          • threat
            • 3.Rg8#
            • 3.a8Q#
            • 3.a8R#
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Qh1#
      • 1...Sd5
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#
      • 1...exf5!
    • 1.Rxf7?
      • threat
        • 2.Rf8#
      • 1...Sxe8
        • 2.a8Q
          • threat
            • 3.Qxe8#
          • 2...Kg8
            • 3.Qxe8#
      • 1...exf5
        • 2.Sxf6
          • threat
            • 3.Rh7#
      • 1...Kg8!
    • 1.a8Q?
      • threat
        • 2.Qh1#
      • 1...Sxe8
        • 2.Rg1
          • threat
            • 3.Qh1#
            • 3.Qxe8#
        • 2.Rg3
          • threat
            • 3.Qh1#
            • 3.Qxe8#
        • 2.Rg4
          • threat
            • 3.Qh1#
            • 3.Qxe8#
        • 2.Rxf7
          • threat
            • 3.Qxe8#
          • 2...Kg8
            • 3.Qxe8#
        • 2.Rh7+
          • 2...Kg8
            • 3.Qxe8#
      • 1...Sd5
        • 2.Rg1
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#
        • 2.Rg3
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#
        • 2.Rg4
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#
        • 2.Rh7+
          • 2...Kg8
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
      • 1...Sxa8!
  • Keys
    • 1.Rg3!
      • threat
        • 2.Sxf6
          • threat
            • 3.Rg8#
      • 1...Sxe8
        • 2.a8Q
          • threat
            • 3.Qh1#
            • 3.Qxe8#
      • 1...Sd2
        • 2.Kxd2
          • threat
            • 3.Rh1#
      • 1...Sa3
        • 2.0-0-0
          • threat
            • 3.Rh1#
      • 1...Sb5
        • 2.Sxf6
          • threat
            • 3.Rg8#
            • 3.a8Q#
            • 3.a8R#
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Qh1#
      • 1...Sd5
        • 2.a8Q
          • threat
            • 3.Sd6#
            • 3.Sxf6#
            • 3.Sc7#
            • 3.Sg7#
          • 2...Sb6
            • 3.Qh1#
          • 2...Sc7
            • 3.Sxc7#
            • 3.Qh1#
          • 2...Se7
            • 3.Qh1#

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