MESON Chess Problem Database

Problem Display
PID: 177127 (Q7/5p2/8/3K4/4B3/8/1k6/8 w - - 0 1)

Speckmann, Werner

Schach-Echo, 1991

Q7/5p2/8/3K4/4B3/8/1k6/8

#4

3 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Kc4!
      • threat
        • 2.Qa4
          • threat
            • 3.Qc2+
              • 3...Ka1
                • 4.Qb1#
              • 3...Ka3
                • 4.Qb3#
            • 3.Qb3+
              • 3...Ka1
                • 4.Qb1#
                • 4.Qa3#
              • 3...Kc1
                • 4.Qc2#
            • 3.Kb4
              • threat
                • 4.Qa3#
              • 3...Kc1
                • 4.Qc2#
      • 1...Kc1
        • 2.Qa2
          • threat
            • 3.Qc2#
          • 2...Kd1
            • 3.Kd3
              • threat
                • 4.Qb1#
                • 4.Qa1#
                • 4.Qd2#
              • 3...Kc1
                • 4.Qa1#
                • 4.Qc2#
              • 3...Ke1
                • 4.Qe2#
      • 1...f5
        • 2.Qh8+
          • 2...Kc1
            • 3.Qc3+
              • 3...Kd1
                • 4.Bf3#
          • 2...Ka2
            • 3.Bxf5
              • 3...Ka3
                • 4.Qa1#
      • 1...f6
        • 2.Qa4
          • threat
            • 3.Qc2+
              • 3...Ka1
                • 4.Qb1#
              • 3...Ka3
                • 4.Qb3#
            • 3.Qb3+
              • 3...Ka1
                • 4.Qb1#
                • 4.Qa3#
              • 3...Kc1
                • 4.Qc2#
            • 3.Kb4
              • threat
                • 4.Qa3#
              • 3...Kc1
                • 4.Qc2#
            • 3.Bf5
              • 3...Kc1
                • 4.Qc2#

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