MESON Chess Problem Database

Problem Display
PID: 250520 (8/8/kB2R3/4p3/2p5/2P5/P7/2KN4 w - - 0 1)

Kupper, Josef

Schweizerische Schachzeitung, 2003

8/8/kB2R3/4p3/2p5/2P5/P7/2KN4

#4

6 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Sb2!
      • threat
        • 2.Sa4
          • threat
            • 3.Sc5+
              • 3...Kb5
                • 4.a4#
          • 2...Kb5
            • 3.Sc5
              • 3...e4
                • 4.a4#
          • 2...Kb7
            • 3.Sc5+
              • 3...Ka8
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
              • 3...Kc8
                • 4.Re8#
      • 1...Kb5
        • 2.Sa4
          • threat
            • 3.Sc5
              • 3...e4
                • 4.a4#
          • 2...Kxa4
            • 3.Rxe5
              • 3...Ka3
                • 4.Ra5#
          • 2...Ka6
            • 3.Sc5+
              • 3...Kb5
                • 4.a4#
          • 2...e4
            • 3.Sc5
              • 3...e3
                • 4.a4#
      • 1...Kb7
        • 2.Sa4
          • threat
            • 3.Sc5+
              • 3...Ka8
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
              • 3...Kc8
                • 4.Re8#
          • 2...Ka6
            • 3.Sc5+
              • 3...Kb5
                • 4.a4#
          • 2...Ka8
            • 3.Sc5
              • threat
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
          • 2...Kb8
            • 3.Sc5
              • threat
                • 4.Re8#
              • 3...Ka8
                • 4.Re8#
              • 3...Kc8
                • 4.Re8#
          • 2...Kc8
            • 3.Sc5
              • threat
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
      • 1...e4
        • 2.Sa4
          • threat
            • 3.Sc5+
              • 3...Kb5
                • 4.a4#
          • 2...Kb5
            • 3.Sc5
              • 3...e3
                • 4.a4#
          • 2...Kb7
            • 3.Sc5+
              • 3...Ka8
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
              • 3...Kc8
                • 4.Re8#

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