MESON Chess Problem Database

Problem Display
PID: 173802 (8/8/8/p4R2/p1b5/NpK5/kP1P4/1R6 w - - 0 1)

Borodatov, Leonid

Sakkelet, 1998

8/8/8/p4R2/p1b5/NpK5/kP1P4/1R6

#4

6 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Rf4!
      • 1...Bf1
        • 2.Rxa4
          • threat
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
            • 3.Rc1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Rd1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Re1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
          • 2...Bb5
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
              • 3...Bxa4
                • 4.Ra1#
      • 1...Be2
        • 2.Rxa4
          • threat
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
            • 3.Rc1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
          • 2...Bb5
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
              • 3...Bxa4
                • 4.Ra1#
      • 1...Bd3
        • 2.Rxa4
          • threat
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
            • 3.Rc1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Rd1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Re1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
          • 2...Bc2
            • 3.Sxc2+
              • 3...Kxb1
                • 4.Ra1#
            • 3.Rc1
              • threat
                • 4.Sb1#
                • 4.Sxc2#
                • 4.Sc4#
                • 4.Sb5#
          • 2...Bb5
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
              • 3...Bxa4
                • 4.Ra1#
      • 1...Bb5
        • 2.Sxb5
          • threat
            • 3.Rff1
              • 3...a3
                • 4.Ra1#
          • 2...Kxb1
            • 3.Rxa4
              • 3...Kc1
                • 4.Ra1#
          • 2...a3
            • 3.Rff1
              • threat
                • 4.Ra1#
              • 3...axb2
                • 4.Rxb2#
      • 1...Ba6
        • 2.Rxa4
          • threat
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
            • 3.Rc1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Rd1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
            • 3.Re1
              • threat
                • 4.Sb1#
                • 4.Sc2#
                • 4.Sc4#
                • 4.Sb5#
              • 3...Bb5
                • 4.Sxb5#
          • 2...Bb5
            • 3.Sc2+
              • 3...Kxb1
                • 4.Ra1#
              • 3...Bxa4
                • 4.Ra1#

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