MESON Chess Problem Database

Problem Display
PID: 83264 (b7/4Q3/k1pK4/8/8/8/8/8 w - - 0 1)

Havel, Miroslav

Narodni osvobozeni, 1935

b7/4Q3/k1pK4/8/8/8/8/8

#4

2 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe3!
      • 1...Ka5
        • 2.Kc5
          • threat
            • 3.Qa3#
          • 2...Ka4
            • 3.Qc3
              • 3...Bb7
                • 4.Qb4#
          • 2...Ka6
            • 3.Qb3
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qa2#
                • 4.Qa3#
              • 3...Ka7
                • 4.Qb6#
      • 1...Kb5
        • 2.Qb3+
          • 2...Ka5
            • 3.Kc5
              • threat
                • 4.Qa2#
                • 4.Qa3#
              • 3...Ka6
                • 4.Qb6#
          • 2...Ka6
            • 3.Kc5
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qa2#
                • 4.Qa3#
              • 3...Ka7
                • 4.Qb6#
      • 1...Kb7
        • 2.Qb3+
          • 2...Ka6
            • 3.Kc5
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qa2#
                • 4.Qa3#
              • 3...Ka7
                • 4.Qb6#
          • 2...Ka7
            • 3.Kc7
              • threat
                • 4.Qa2#
                • 4.Qa4#
                • 4.Qa3#
                • 4.Qb6#
              • 3...Ka6
                • 4.Qa4#
                • 4.Qb6#
              • 3...Bb7
                • 4.Qxb7#
          • 2...Kc8
            • 3.Qf7
              • threat
                • 4.Qc7#
              • 3...Kb8
                • 4.Qc7#
              • 3...Kd8
                • 4.Qg8#
                • 4.Qd7#
                • 4.Qf8#
            • 3.Qb6
              • threat
                • 4.Qc7#
      • 1...c5
        • 2.Qxc5
          • threat
            • 3.Kc7
              • threat
                • 4.Qb6#
          • 2...Kb7
            • 3.Qa5
              • 3...Kb8
                • 4.Qc7#
              • 3...Kc8
                • 4.Qc7#
                • 4.Qxa8#
      • 1...Bb7
        • 2.Qc5
          • threat
            • 3.Kc7
              • threat
                • 4.Qb6#
          • 2...Ba8
            • 3.Kc7
              • 3...Bb7
                • 4.Qb6#

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