MESON Chess Problem Database

Problem Display
PID: 234269 (k7/1R6/2K5/8/8/8/6p1/8 w - - 0 1)

Lindgren, Bo Waldemar

Polistidningen, 1944

k7/1R6/2K5/8/8/8/6p1/8

#4

2 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Rg7!
      • threat
        • 2.Rxg2
          • threat
            • 3.Kb6
              • 3...Kb8
                • 4.Rg8#
            • 3.Kc7
              • 3...Ka7
                • 4.Ra2#
          • 2...Ka7
            • 3.Rg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kb8
            • 3.Ra2
              • 3...Kc8
                • 4.Ra8#
        • 2.Kb6
          • threat
            • 3.Rg8#
          • 2...g1Q+
            • 3.Rxg1
              • 3...Kb8
                • 4.Rg8#
          • 2...g1B+
            • 3.Rxg1
              • 3...Kb8
                • 4.Rg8#
          • 2...g1R
            • 3.Rxg1
              • 3...Kb8
                • 4.Rg8#
      • 1...Kb8
        • 2.Rxg2
          • threat
            • 3.Ra2
              • 3...Kc8
                • 4.Ra8#
          • 2...Ka7
            • 3.Rg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Ka8
            • 3.Kb6
              • 3...Kb8
                • 4.Rg8#
            • 3.Kc7
              • 3...Ka7
                • 4.Ra2#
      • 1...g1Q
        • 2.Rxg1
          • threat
            • 3.Kb6
              • 3...Kb8
                • 4.Rg8#
            • 3.Kc7
              • 3...Ka7
                • 4.Ra1#
          • 2...Ka7
            • 3.Rg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kb8
            • 3.Ra1
              • 3...Kc8
                • 4.Ra8#
      • 1...g1B
        • 2.Rxg1
          • threat
            • 3.Kb6
              • 3...Kb8
                • 4.Rg8#
            • 3.Kc7
              • 3...Ka7
                • 4.Ra1#
          • 2...Ka7
            • 3.Rg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kb8
            • 3.Ra1
              • 3...Kc8
                • 4.Ra8#
      • 1...g1R
        • 2.Rxg1
          • threat
            • 3.Kb6
              • 3...Kb8
                • 4.Rg8#
            • 3.Kc7
              • 3...Ka7
                • 4.Ra1#
          • 2...Ka7
            • 3.Rg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Kb8
            • 3.Ra1
              • 3...Kc8
                • 4.Ra8#

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