MESON Chess Problem Database

Problem Display
PID: 219284 (8/8/6P1/8/8/3K4/8/3k4 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1977

8/8/6P1/8/8/3K4/8/3k4

#5

2 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.g7!
      • threat
        • 2.g8Q
          • threat
            • 3.Qg1#
          • 2...Kc1
            • 3.Qa2
              • 3...Kd1
                • 4.Qb1#
                • 4.Qa1#
                • 4.Qd2#
            • 3.Qb8
              • 3...Kd1
                • 4.Qb1#
        • 2.g8R
          • threat
            • 3.Rg1#
          • 2...Kc1
            • 3.Rb8
              • 3...Kd1
                • 4.Rb1#
          • 2...Ke1
            • 3.Rf8
              • 3...Kd1
                • 4.Rf1#
      • 1...Kc1
        • 2.g8Q
          • threat
            • 3.Qa2
              • 3...Kd1
                • 4.Qb1#
                • 4.Qa1#
                • 4.Qd2#
            • 3.Qb8
              • 3...Kd1
                • 4.Qb1#
          • 2...Kb1
            • 3.Qb8+
              • 3...Ka1
                • 4.Kc2
                  • 4...Ka2
                    • 5.Qa7#
                    • 5.Qb2#
                    • 5.Qa8#
                • 4.Kc3
                  • 4...Ka2
                    • 5.Qb2#
              • 3...Kc1
                • 4.Qb4
                  • 4...Kd1
                    • 5.Qd2#
                    • 5.Qb1#
                • 4.Qb5
                  • 4...Kd1
                    • 5.Qb1#
                • 4.Qb6
                  • 4...Kd1
                    • 5.Qg1#
                    • 5.Qb1#
                • 4.Qb7
                  • 4...Kd1
                    • 5.Qh1#
                    • 5.Qb1#
              • 3...Ka2
                • 4.Kc2
                  • threat
                    • 5.Qa7#
                    • 5.Qb2#
                    • 5.Qa8#
                  • 4...Ka1
                    • 5.Qa7#
                    • 5.Qb1#
                    • 5.Qb2#
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qb3#
                • 4.Kc3
                  • threat
                    • 5.Qb2#
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Ka3
                    • 5.Qa7#
                    • 5.Qb3#
                    • 5.Qa8#
            • 3.Kc3
              • threat
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kc1
                    • 5.Qc2#
                • 4.Qg2
                  • threat
                    • 5.Qb2#
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kc1
                    • 5.Qf1#
                    • 5.Qh1#
                    • 5.Qg1#
                    • 5.Qc2#
                • 4.Qa8
                  • 4...Kc1
                    • 5.Qh1#
                    • 5.Qa1#
              • 3...Ka1
                • 4.Kb3
                  • 4...Kb1
                    • 5.Qg1#
                • 4.Qg2
                  • 4...Kb1
                    • 5.Qb2#
                • 4.Qb8
                  • 4...Ka2
                    • 5.Qb2#
            • 3.Qg2
              • threat
                • 4.Kc3
                  • threat
                    • 5.Qb2#
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kc1
                    • 5.Qf1#
                    • 5.Qh1#
                    • 5.Qg1#
                    • 5.Qc2#
              • 3...Ka1
                • 4.Kc2
                  • 4...Ka2
                    • 5.Qa8#
                • 4.Kc3
                  • 4...Kb1
                    • 5.Qb2#
          • 2...Kb2
            • 3.Qb8+
              • 3...Ka1
                • 4.Kc2
                  • 4...Ka2
                    • 5.Qa7#
                    • 5.Qb2#
                    • 5.Qa8#
                • 4.Kc3
                  • 4...Ka2
                    • 5.Qb2#
              • 3...Kc1
                • 4.Qb4
                  • 4...Kd1
                    • 5.Qd2#
                    • 5.Qb1#
                • 4.Qb5
                  • 4...Kd1
                    • 5.Qb1#
                • 4.Qb6
                  • 4...Kd1
                    • 5.Qg1#
                    • 5.Qb1#
                • 4.Qb7
                  • 4...Kd1
                    • 5.Qh1#
                    • 5.Qb1#
              • 3...Ka2
                • 4.Kc2
                  • threat
                    • 5.Qa7#
                    • 5.Qb2#
                    • 5.Qa8#
                  • 4...Ka1
                    • 5.Qa7#
                    • 5.Qb1#
                    • 5.Qb2#
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qb3#
                • 4.Kc3
                  • threat
                    • 5.Qb2#
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Ka3
                    • 5.Qa7#
                    • 5.Qb3#
                    • 5.Qa8#
              • 3...Ka3
                • 4.Kc3
                  • threat
                    • 5.Qa7#
                    • 5.Qb3#
                    • 5.Qa8#
                  • 4...Ka2
                    • 5.Qb2#
                  • 4...Ka4
                    • 5.Qb4#
      • 1...Ke1
        • 2.g8Q
          • threat
            • 3.Qg1#
          • 2...Kf2
            • 3.Qg4
              • 3...Kf1
                • 4.Ke3
                  • 4...Ke1
                    • 5.Qe2#
                    • 5.Qg1#

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