MESON Chess Problem Database

Problem Display
PID: 208943 (8/8/8/1Q2p1p1/3pP2b/p2K2p1/b2N4/k7 w - - 0 1)

Libis, Zdenek

Sachova skladba, 2015

8/8/8/1Q2p1p1/3pP2b/p2K2p1/b2N4/k7

#5

4 + 8

SOLUTION

  • SOUND
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxa3
          • threat
            • 3.Sb3+
              • 3...Kb1
                • 4.Qc1#
            • 3.Qc1+
              • 3...Bb1+
                • 4.Qxb1#
            • 3.Sc4
              • threat
                • 4.Qb2#
              • 3...Kb1
                • 4.Qb2#
        • 2.Qc2
          • threat
            • 3.Qc1+
              • 3...Bb1+
                • 4.Qxb1#
          • 2...Bc4+
            • 3.Kxc4
              • threat
                • 4.Sb3#
                • 4.Qb1#
      • 1...Bb1+
        • 2.Ke2
          • threat
            • 3.Qxa3+
              • 3...Ba2
                • 4.Sb3+
                  • 4...Kb1
                    • 5.Qc1#
                • 4.Qc1+
                  • 4...Bb1
                    • 5.Qxb1#
          • 2...Bd3+
            • 3.Kxd3
              • threat
                • 4.Qxa3#
              • 3...Ka2
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Sb3#
                    • 5.Qb1#
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qb1#
                    • 5.Qxa3#
                • 4.Qd1
                  • threat
                    • 5.Qb1#
                  • 4...Kb2
                    • 5.Qb1#
                • 4.Qb5
                  • threat
                    • 5.Qb1#
                  • 4...Ka1
                    • 5.Qb1#
                • 4.Qb4
                  • threat
                    • 5.Qb1#
                  • 4...Ka1
                    • 5.Qxa3#
                    • 5.Qb1#
              • 3...Kb2
                • 4.Qc2+
                  • 4...Ka1
                    • 5.Sb3#
                    • 5.Qb1#
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qb1#
                    • 5.Qxa3#
                  • 4...Kc1
                    • 5.Qc2#
                    • 5.Qb1#
                • 4.Qb5+
                  • 4...Ka1
                    • 5.Qb1#
                  • 4...Kc1
                    • 5.Qb1#
                  • 4...Ka2
                    • 5.Qb1#
                • 4.Qb4+
                  • 4...Ka1
                    • 5.Qxa3#
                    • 5.Qb1#
                  • 4...Kc1
                    • 5.Qb1#
                  • 4...Ka2
                    • 5.Qb1#
                • 4.Qd1
                  • threat
                    • 5.Qb1#
                  • 4...Ka2
                    • 5.Qb1#
                  • 4...a2
                    • 5.Sc4#
              • 3...a2
                • 4.Qd1+
                  • 4...Kb2
                    • 5.Sc4#
                • 4.Sc4
                  • threat
                    • 5.Qd1#
                  • 4...Kb1
                    • 5.Qd1#
                • 4.Qc2
                  • threat
                    • 5.Sb3#
                    • 5.Qc1#
                • 4.Qa3
                  • threat
                    • 5.Qc1#
          • 2...d3+
            • 3.Ke3
              • threat
                • 4.Qxa3+
                  • 4...Ba2
                    • 5.Qc3#
                • 4.Qb3
                  • threat
                    • 5.Qxb1#
                  • 4...Ba2
                    • 5.Qc3#
                  • 4...Bc2
                    • 5.Qxa3#
                  • 4...a2
                    • 5.Qc3#
                • 4.Qb4
                  • threat
                    • 5.Qxb1#
                  • 4...Ka2
                    • 5.Qxb1#
                  • 4...Ba2
                    • 5.Qc3#
                  • 4...Bc2
                    • 5.Qxa3#
                  • 4...a2
                    • 5.Qc3#
              • 3...Ka2
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qxb1#
              • 3...Kb2
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qxb1#
                  • 4...Kc1
                    • 5.Qxb1#
              • 3...Ba2
                • 4.Qxa3
                  • threat
                    • 5.Qc3#
              • 3...a2
                • 4.Qb3
                  • threat
                    • 5.Qc3#
                • 4.Qb5
                  • threat
                    • 5.Qxe5#
                • 4.Qa3
                  • threat
                    • 5.Sb3#
                    • 5.Qc3#
                • 4.Qb4
                  • threat
                    • 5.Qc3#
          • 2...Ba2
            • 3.Qxa3
              • threat
                • 4.Sb3+
                  • 4...Kb1
                    • 5.Qc1#
                • 4.Qc1+
                  • 4...Bb1
                    • 5.Qxb1#
              • 3...d3+
                • 4.Kxd3
                  • threat
                    • 5.Qc3#
                • 4.Kd1
                  • threat
                    • 5.Qc3#
                • 4.Ke3
                  • threat
                    • 5.Qc3#
          • 2...a2
            • 3.Qa3
              • threat
                • 4.Sb3#
              • 3...Bd3+
                • 4.Kxd3
                  • threat
                    • 5.Qc1#
              • 3...d3+
                • 4.Ke3
                  • threat
                    • 5.Sb3#
                    • 5.Qc3#
              • 3...Bxe4
                • 4.Sb3+
                  • 4...Kb1
                    • 5.Qc1#
                • 4.Qc1+
                  • 4...Bb1
                    • 5.Sb3#
              • 3...Bc2
                • 4.Sb3+
                  • 4...Kb1
                    • 5.Qc1#
                  • 4...Bxb3
                    • 5.Qc1#
                • 4.Qc1+
                  • 4...Bb1
                    • 5.Sb3#
      • 1...g2
        • 2.Qd1+
          • 2...Kb2
            • 3.Qc2+
              • 3...Ka1
                • 4.Qc1+
                  • 4...Bb1+
                    • 5.Qxb1#

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