MESON Chess Problem Database

Problem Display
PID: 236380 (8/5p2/8/p7/P5p1/R1K3P1/4P3/1k6 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1973

8/5p2/8/p7/P5p1/R1K3P1/4P3/1k6

#5

5 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Rb3+!
      • 1...Ka1
        • 2.Rb2
          • threat
            • 3.Kb3
              • threat
                • 4.Rd2
                  • threat
                    • 5.Rd1#
                  • 4...Kb1
                    • 5.Rd1#
          • 2...f5
            • 3.Kb3
              • 3...f4
                • 4.Rd2
                  • threat
                    • 5.Rd1#
                  • 4...Kb1
                    • 5.Rd1#
          • 2...f6
            • 3.Kb3
              • 3...f5
                • 4.Rd2
                  • threat
                    • 5.Rd1#
                  • 4...Kb1
                    • 5.Rd1#
      • 1...Kc1
        • 2.Kd3
          • 2...f5
            • 3.e3
              • 3...f4
                • 4.exf4
                  • 4...Kd1
                    • 5.Rb1#
          • 2...f6
            • 3.e4
              • 3...f5
                • 4.exf5
                  • 4...Kd1
                    • 5.Rb1#
      • 1...Ka2
        • 2.Kc2
          • 2...f5
            • 3.e3
              • 3...f4
                • 4.exf4
                  • 4...Ka1
                    • 5.Ra3#
          • 2...f6
            • 3.e4
              • 3...f5
                • 4.exf5
                  • 4...Ka1
                    • 5.Ra3#

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