MESON Chess Problem Database

Problem Display
PID: 226766 (8/8/8/3PPP2/1p1PQP2/1B1PPP2/1B1k4/5K2 w - - 0 1)

Keller, Kurt

The Problemist Supplement, 2020

8/8/8/3PPP2/1p1PQP2/1B1PPP2/1B1k4/5K2

#5

12 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Ba1!
      • 1...Kc1
        • 2.d6
          • threat
            • 3.Qc6+
              • 3...Kb1
                • 4.Qc2+
                  • 4...Kxa1
                    • 5.Qc1#
                    • 5.Qa2#
                • 4.Ke1
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Kg1
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Ke2
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Kf2
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Kg2
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Qc4
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Qc5
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Qc7
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Qc8
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.e4
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.d5
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.e6
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.f6
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.d7
                  • 4...Kxa1
                    • 5.Qc1#
              • 3...Kd2
                • 4.Kf2
                  • 4...Kxd3
                    • 5.Qc2#
            • 3.Ke1
              • 3...Kb1
                • 4.Qc6
                  • 4...Kxa1
                    • 5.Qc1#
            • 3.Ke2
              • 3...Kb1
                • 4.Qc6
                  • 4...Kxa1
                    • 5.Qc1#
            • 3.Kf2
              • 3...Kb1
                • 4.Qc6
                  • 4...Kxa1
                    • 5.Qc1#
              • 3...Kd2
                • 4.Qc6
                  • 4...Kxd3
                    • 5.Qc2#
            • 3.d5
              • threat
                • 4.Qxb4
                  • 4...Kb1
                    • 5.Qe1#
              • 3...Kb1
                • 4.Qc4
                  • 4...Kxa1
                    • 5.Qc1#
                • 4.Qd4
                  • 4...Kc1
                    • 5.Qb2#
              • 3...Kd2
                • 4.Qd4
                  • 4...Kc1
                    • 5.Qb2#
                • 4.d4
                  • 4...Kc1
                    • 5.Qc2#
          • 2...Kd2
            • 3.d5
              • 3...Kc1
                • 4.Qxb4
                  • 4...Kb1
                    • 5.Qe1#

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