MESON Chess Problem Database

Problem Display
PID: 217520 (5b2/4p2n/pKB1ppRr/2B5/1NkNb3/8/1p1P4/2n5 w - - 0 1)

Feoktistov, Aleksandr Fedorovich

1st HM., Shakhmaty, 1969

5b2/4p2n/pKB1ppRr/2B5/1NkNb3/8/1p1P4/2n5

#5

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rg3!
      • threat
        • 2.Rc3#
      • 1...b1S
        • 2.Bb7
          • threat
            • 3.Bxa6#
          • 2...Bxb7
            • 3.Sb3
              • threat
                • 4.Sa5#
              • 3...Sxb3
                • 4.Rc3+
                  • 4...Sxc3
                    • 5.d3#
      • 1...Rh3
        • 2.Bd7
          • threat
            • 3.Bxe6+
              • 3...Bd5
                • 4.Bxd5#
          • 2...Bd5
            • 3.Sdc6
              • threat
                • 4.Sa5#
              • 3...Bxc6
                • 4.Bxe6+
                  • 4...Bd5
                    • 5.Bxd5#
              • 3...Sb3
                • 4.Rg4+
                  • 4...Be4
                    • 5.Bxe6#
                  • 4...Sd4
                    • 5.Sa5#
            • 3.Bc8
              • threat
                • 4.Bxa6#
              • 3...Bc6
                • 4.Bxa6+
                  • 4...Bb5
                    • 5.Bxb5#
                • 4.Bxe6+
                  • 4...Bd5
                    • 5.Bxd5#
                • 4.Kxc6
                  • threat
                    • 5.Bxa6#
                    • 5.Bxe6#
                • 4.Sdxc6
                  • threat
                    • 5.Sa5#
                    • 5.Bxa6#
                    • 5.Bxe6#
              • 3...Bb7
                • 4.Bxe6+
                  • 4...Bd5
                    • 5.Bxd5#
                • 4.Bxb7
                  • threat
                    • 5.Bxa6#
                  • 4...a5
                    • 5.Ba6#
          • 2...Sg5
            • 3.Bc8
              • threat
                • 4.Bxa6#
              • 3...Bc6
                • 4.Bxa6+
                  • 4...Bb5
                    • 5.Bxb5#
                • 4.Kxc6
                  • threat
                    • 5.Bxa6#
                  • 4...a5
                    • 5.Ba6#
                • 4.Sdxc6
                  • threat
                    • 5.Sa5#
                    • 5.Bxa6#
                  • 4...a5
                    • 5.Sxa5#
                    • 5.Ba6#
              • 3...Bb7
                • 4.Bxb7
                  • threat
                    • 5.Bxa6#
                  • 4...a5
                    • 5.Ba6#

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