MESON Chess Problem Database

Problem Display
PID: 34747 (8/1k5K/p1N2pp1/B2p1p2/7p/2p3RQ/8/7n w - - 0 1)

Havel, Miroslav

1st Prize, Shakhmaty v SSSR, 1960

8/1k5K/p1N2pp1/B2p1p2/7p/2p3RQ/8/7n

#4

5 + 9

3749 FIDE Album (1959-1961) 1966

SOLUTION

  • SOUND
  • Keys
    • 1.Qf1!
      • threat
        • 2.Sd8+
          • 2...Ka7
            • 3.Qb1
              • threat
                • 4.Qb7#
              • 3...Ka8
                • 4.Qb7#
          • 2...Ka8
            • 3.Qxa6+
              • 3...Kb8
                • 4.Sc6#
                • 4.Qb7#
            • 3.Qb1
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
          • 2...Kb8
            • 3.Qb1+
              • 3...Ka7
                • 4.Qb7#
              • 3...Ka8
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
            • 3.Qxa6
              • threat
                • 4.Sc6#
                • 4.Qb7#
          • 2...Kc8
            • 3.Qxa6+
              • 3...Kd7
                • 4.Qe6#
              • 3...Kb8
                • 4.Sc6#
                • 4.Qb7#
      • 1...Kxc6
        • 2.Qxa6+
          • 2...Kc5
            • 3.Qb6+
              • 3...Kc4
                • 4.Rxc3#
                • 4.Qb4#
          • 2...Kd7
            • 3.Re3
              • threat
                • 4.Qe6#
      • 1...Kc8
        • 2.Qxf5+
          • 2...Kb7
            • 3.Qd7+
              • 3...Ka8
                • 4.Qc8#
                • 4.Qa7#
          • 2...gxf5
            • 3.Rg7
              • threat
                • 4.Rc7#
        • 2.Qf4
          • threat
            • 3.Qc7#
          • 2...Kb7
            • 3.Qc7+
              • 3...Ka8
                • 4.Qb8#
                • 4.Qa7#
                • 4.Qc8#
            • 3.Rxc3
              • threat
                • 4.Qb8#
              • 3...Ka8
                • 4.Qb8#
              • 3...Kc8
                • 4.Qc7#
          • 2...Kd7
            • 3.Qc7+
              • 3...Ke6
                • 4.Sd4#
                • 4.Sd8#
                • 4.Re3#
                • 4.Qe7#
              • 3...Ke8
                • 4.Qe7#
      • 1...c2
        • 2.Qxa6+
          • 2...Kxa6
            • 3.Rb3
              • threat
                • 4.Rb6#
      • 1...d4
        • 2.Sd8+
          • 2...Ka7
            • 3.Qxh1
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Qg2
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Qb1
              • threat
                • 4.Qb7#
              • 3...Ka8
                • 4.Qb7#
            • 3.Qf3
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
          • 2...Ka8
            • 3.Qg2+
              • 3...Ka7
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Qxa6+
              • 3...Kb8
                • 4.Sc6#
                • 4.Qb7#
            • 3.Qxh1+
              • 3...Ka7
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Qf3+
              • 3...Ka7
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Qb1
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
          • 2...Kb8
            • 3.Qb1+
              • 3...Ka7
                • 4.Qb7#
              • 3...Ka8
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
            • 3.Qxa6
              • threat
                • 4.Sc6#
                • 4.Qb7#
            • 3.Qxh1
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
            • 3.Qg2
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
            • 3.Qf3
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
          • 2...Kc8
            • 3.Qxa6+
              • 3...Kd7
                • 4.Qe6#
              • 3...Kb8
                • 4.Sc6#
                • 4.Qb7#

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