Problem Display
PID: 242422 (8/4p3/1K3p2/1Npk1Bp1/2p1R3/8/1P1P1P2/1n1b4 w - - 0 1)

Kupper, Josef

4th HM., Schweizerische Schachzeitung, 1962

8/4p3/1K3p2/1Npk1Bp1/2p1R3/8/1P1P1P2/1n1b4

#5

7 + 8


15257 Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) 1968

SOLUTION


  • SOUND
  • Keys
    • 1.b4!
      • threat
        • 2.Sc7+
          • 2...Kd6
            • 3.bxc5#
        • 2.bxc5
          • threat
            • 3.Sc7#
      • 1...cxb4
        • 2.d3
          • threat
            • 3.Be6#
            • 3.dxc4#
          • 2...cxd3
            • 3.f4
              • threat
                • 4.Rd4#
              • 3...gxf4
                • 4.Rc4
                  • threat
                    • 5.Rc5#
                  • 4...Kxc4
                    • 5.Be6#
                  • 4...Ke5
                    • 5.Rc5#
              • 3...e5
                • 4.Rc4
                  • threat
                    • 5.Rc5#
                  • 4...Kxc4
                    • 5.Be6#
      • 1...e6
        • 2.Sc7+
          • 2...Kd6
            • 3.Rxe6+
              • 3...Kd7
                • 4.Re1+
                  • 4...Kd6
                    • 5.bxc5#
                  • 4...Kd8
                    • 5.Re8#
                • 4.Re2+
                  • 4...Kd6
                    • 5.bxc5#
                  • 4...Kd8
                    • 5.Re8#
                • 4.Re3+
                  • 4...Kd6
                    • 5.bxc5#
                  • 4...Kd8
                    • 5.Re8#
                • 4.Re4+
                  • 4...Kd6
                    • 5.bxc5#
                  • 4...Kd8
                    • 5.Re8#
                • 4.Re8+
                  • 4...Kd6
                    • 5.bxc5#

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