MESON Chess Problem Database

Problem Display
PID: 279920 (8/1P6/8/8/8/2PK4/p7/k7 w - - 0 1)

Poisson, Christian

Les Blancs doivent jouer, 2011

8/1P6/8/8/8/2PK4/p7/k7

#5

3 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.c4!
      • threat
        • 2.Kc3
          • 2...Kb1
            • 3.b8Q+
              • 3...Kc1
                • 4.Qf4+
                  • 4...Kb1
                    • 5.Qf1#
                  • 4...Kd1
                    • 5.Qd2#
                    • 5.Qf1#
                • 4.Qb2+
                  • 4...Kd1
                    • 5.Qd2#
      • 1...Kb1
        • 2.b8Q+
          • 2...Ka1
            • 3.Qh2
              • 3...Kb1
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Qc1#
          • 2...Kc1
            • 3.Qh2
              • threat
                • 4.Qc2#
              • 3...Kb1
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Qc1#
              • 3...a1S
                • 4.Kc3
                  • threat
                    • 5.Qg1#
                    • 5.Qh1#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Kd1
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                • 4.Qa2
                  • threat
                    • 5.Qxa1#
                  • 4...Kd1
                    • 5.Qb1#
                    • 5.Qxa1#
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                  • 4...Sb3
                    • 5.Qc2#
            • 3.Qb3
              • threat
                • 4.Qc2#
              • 3...a1S
                • 4.Qa2
                  • threat
                    • 5.Qxa1#
                  • 4...Kd1
                    • 5.Qb1#
                    • 5.Qxa1#
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                  • 4...Sb3
                    • 5.Qc2#
      • 1...Kb2
        • 2.b8Q+
          • 2...Ka1
            • 3.Qh2
              • 3...Kb1
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Qc1#
          • 2...Kc1
            • 3.Qh2
              • threat
                • 4.Qc2#
              • 3...Kb1
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Qc1#
              • 3...a1S
                • 4.Kc3
                  • threat
                    • 5.Qg1#
                    • 5.Qh1#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Kd1
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                • 4.Qa2
                  • threat
                    • 5.Qxa1#
                  • 4...Kd1
                    • 5.Qb1#
                    • 5.Qxa1#
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                  • 4...Sb3
                    • 5.Qc2#
            • 3.Qb3
              • threat
                • 4.Qc2#
              • 3...a1S
                • 4.Qa2
                  • threat
                    • 5.Qxa1#
                  • 4...Kd1
                    • 5.Qb1#
                    • 5.Qxa1#
                    • 5.Qd2#
                  • 4...Sc2
                    • 5.Qxc2#
                  • 4...Sb3
                    • 5.Qc2#
          • 2...Ka3
            • 3.Kc2
              • threat
                • 4.Qb3#
              • 3...a1S+
                • 4.Kc3
                  • threat
                    • 5.Qa7#
                    • 5.Qa8#
                  • 4...Ka2
                    • 5.Qb2#
                  • 4...Ka4
                    • 5.Qa7#
                    • 5.Qb4#
                    • 5.Qa8#
                  • 4...Sb3
                    • 5.Qxb3#
              • 3...Ka4
                • 4.Qb3+
                  • 4...Ka5
                    • 5.Qb5#
                • 4.Qb5+
                  • 4...Ka3
                    • 5.Qb3#
                    • 5.Qa5#

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