MESON Chess Problem Database

Problem Display
PID: 152857 (k7/8/1Q5p/p7/PppppppP/1R5R/8/K7 w - - 0 1)

Baumann, Hannes

3rd Comm., Schweizerische Schachzeitung, 1993

k7/8/1Q5p/p7/PppppppP/1R5R/8/K7

#4

6 + 9

328 Schweizerische Schachzeitung 2000

SOLUTION

  • SOUND
  • Keys
    • 1.Rb1!
      • threat
        • 2.Rc3
          • threat
            • 3.Rxc4
              • threat
                • 4.Rc8#
          • 2...dxc3
            • 3.Rd1
              • threat
                • 4.Rd8#
          • 2...b3
            • 3.Rbxb3
              • threat
                • 4.Qxa5#
                • 4.Qa6#
                • 4.Qb7#
                • 4.Qb8#
              • 3...cxb3
                • 4.Rc8#
      • 1...b3
        • 2.Rbxb3
          • threat
            • 3.Qxa5#
            • 3.Qa6#
            • 3.Qb7#
            • 3.Qb8#
          • 2...cxb3
            • 3.Rxb3
              • threat
                • 4.Qxa5#
                • 4.Qa6#
                • 4.Qb7#
                • 4.Qb8#
        • 2.Rhxb3
          • threat
            • 3.Qxa5#
            • 3.Qa6#
            • 3.Qb7#
            • 3.Qb8#
          • 2...cxb3
            • 3.Rxb3
              • threat
                • 4.Qxa5#
                • 4.Qa6#
                • 4.Qb7#
                • 4.Qb8#
            • 3.Qxb3
              • threat
                • 4.Qb7#
                • 4.Qb8#
              • 3...Ka7
                • 4.Qb7#
      • 1...c3
        • 2.Rxc3
          • threat
            • 3.Rc8#
          • 2...dxc3
            • 3.Rd1
              • threat
                • 4.Rd8#
      • 1...d3
        • 2.Rxd3
          • threat
            • 3.Rd8#
          • 2...cxd3
            • 3.Rc1
              • threat
                • 4.Rc8#
          • 2...exd3
            • 3.Re1
              • threat
                • 4.Re8#
      • 1...e3
        • 2.Rxe3
          • threat
            • 3.Re8#
          • 2...dxe3
            • 3.Rd1
              • threat
                • 4.Rd8#
          • 2...fxe3
            • 3.Rf1
              • threat
                • 4.Rf8#
      • 1...f3
        • 2.Rxf3
          • threat
            • 3.Rf8#
          • 2...exf3
            • 3.Re1
              • threat
                • 4.Re8#
          • 2...gxf3
            • 3.Rg1
              • threat
                • 4.Rg8#
      • 1...g3
        • 2.Rxg3
          • threat
            • 3.Rg8#
          • 2...fxg3
            • 3.Rf1
              • threat
                • 4.Rf8#

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