MESON Chess Problem Database

Problem Display
PID: 216581 (8/2P5/5p2/2P1PPP1/R3P3/1p1P2P1/1p1p4/1kbK4 w - - 0 1)

Sommer, Bruno Oswald

Schach, 1953

8/2P5/5p2/2P1PPP1/R3P3/1p1P2P1/1p1p4/1kbK4

#5

10 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Ra8!
      • threat
        • 2.c8S
          • threat
            • 3.Sb6
              • threat
                • 4.Sa4
                  • threat
                    • 5.Sc3#
                  • 4...Ka1
                    • 5.Sc3#
                  • 4...Ka2
                    • 5.Sc3#
                • 4.Sd5
                  • threat
                    • 5.Sc3#
          • 2...fxe5
            • 3.Sa7
              • 3...Ka1
                • 4.Sb5+
                  • 4...Kb1
                    • 5.Sc3#
              • 3...Ka2
                • 4.Sb5+
                  • 4...Kb1
                    • 5.Sc3#
          • 2...fxg5
            • 3.Sb6
              • 3...g4
                • 4.Sa4
                  • threat
                    • 5.Sc3#
                  • 4...Ka1
                    • 5.Sc3#
                  • 4...Ka2
                    • 5.Sc3#
        • 2.c8B
          • threat
            • 3.d4
              • threat
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
          • 2...fxe5
            • 3.d4
              • 3...exd4
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
                  • 4...d3
                    • 5.Bxd3#
          • 2...fxg5
            • 3.d4
              • 3...g4
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
        • 2.d4
          • threat
            • 3.c8Q
              • threat
                • 4.Qa6
                  • threat
                    • 5.Qd3#
              • 3...fxe5
                • 4.Qa6
                  • 4...exd4
                    • 5.Qd3#
              • 3...fxg5
                • 4.Qa6
                  • 4...g4
                    • 5.Qd3#
            • 3.c8B
              • threat
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
          • 2...fxe5
            • 3.c8Q
              • 3...exd4
                • 4.Qa6
                  • 4...d3
                    • 5.Qxd3#
                • 4.Qd7
                  • 4...d3
                    • 5.Qxd3#
                • 4.Qd8
                  • 4...d3
                    • 5.Qxd3#
            • 3.c8B
              • 3...exd4
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
                  • 4...d3
                    • 5.Bxd3#
          • 2...fxg5
            • 3.c8B
              • 3...g4
                • 4.Ba6
                  • threat
                    • 5.Bd3#
                  • 4...Ka1
                    • 5.Bd3#
                  • 4...Ka2
                    • 5.Bd3#
      • 1...fxe5
        • 2.d4
          • 2...exd4
            • 3.c8B
              • 3...d3
                • 4.Ba6
                  • threat
                    • 5.Bxd3#
                  • 4...Ka1
                    • 5.Bxd3#
                  • 4...Ka2
                    • 5.Bxd3#
      • 1...fxg5
        • 2.c8S
          • 2...g4
            • 3.Sa7
              • 3...Ka1
                • 4.Sb5+
                  • 4...Kb1
                    • 5.Sc3#
              • 3...Ka2
                • 4.Sb5+
                  • 4...Kb1
                    • 5.Sc3#

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