MESON Chess Problem Database

Problem Display
PID: 20609 (3n4/2P5/4n3/1P5b/8/2K5/3N2P1/k7 w - - 0 1)

Shinkman, William Anthony

Deutsche Schachzeitung, 1907

3n4/2P5/4n3/1P5b/8/2K5/3N2P1/k7

#5

5 + 4

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Keys
    • 1.c8R!
      • threat
        • 2.Ra8#
      • 1...Bf3
        • 2.gxf3
          • threat
            • 3.Ra8#
          • 2...Sc7
            • 3.Rxc7
              • threat
                • 4.Ra7#
              • 3...Sc6
                • 4.Rxc6
                  • 4...Ka2
                    • 5.Ra6#
                • 4.bxc6
                  • 4...Ka2
                    • 5.Ra7#
              • 3...Sb7
                • 4.Rxb7
                  • 4...Ka2
                    • 5.Ra7#
      • 1...Sc7
        • 2.Rxc7
          • threat
            • 3.Ra7#
          • 2...Bf7
            • 3.Ra7+
              • 3...Ba2
                • 4.Kc2
                  • threat
                    • 5.Sb3#
          • 2...Sc6
            • 3.bxc6
              • threat
                • 4.Ra7#
              • 3...Bd1
                • 4.Ra7+
                  • 4...Ba4
                    • 5.Rxa4#
              • 3...Be2
                • 4.Ra7+
                  • 4...Ba6
                    • 5.Rxa6#
              • 3...Bf7
                • 4.Rxf7
                  • 4...Ka2
                    • 5.Ra7#
          • 2...Sb7
            • 3.Rxb7
              • threat
                • 4.Ra7#
              • 3...Bd1
                • 4.Ra7+
                  • 4...Ba4
                    • 5.Rxa4#
              • 3...Bf7
                • 4.Rxf7
                  • 4...Ka2
                    • 5.Ra7#

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