MESON Chess Problem Database

Problem Display
PID: 75496 (5K1Q/p7/8/k7/3N4/8/pN6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Mat Plus, 2007

5K1Q/p7/8/k7/3N4/8/pN6/8

#4

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qb7
          • threat
            • 3.Sb3#
            • 3.Sc6#
            • 3.Qb5#
      • 1...Kb4
        • 2.Qc6
          • threat
            • 3.Sd3+
              • 3...Ka3
                • 4.Qa6#
              • 3...Ka5
                • 4.Sb3#
                • 4.Qb5#
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
                • 4.Qc3#
              • 3...Ka5
                • 4.Qb5#
          • 2...a1S
            • 3.Sd3+
              • 3...Ka3
                • 4.Qa6#
              • 3...Ka5
                • 4.Qb5#
          • 2...a5
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
                • 4.Qc3#
          • 2...a6
            • 3.Sd3+
              • 3...Ka3
                • 4.Qxa6#
              • 3...Ka5
                • 4.Sb3#
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
                • 4.Qc3#
              • 3...Ka5
                • 4.Qc5#
      • 1...a1Q
        • 2.Qd5+
          • 2...Kb4
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
              • 3...Ka5
                • 4.Qb5#
          • 2...Kb6
            • 3.Qc6+
              • 3...Ka5
                • 4.Qb5#
      • 1...a1R
        • 2.Qd5+
          • 2...Kb4
            • 3.Qc4+
              • 3...Ka3
                • 4.Qb3#
              • 3...Ka5
                • 4.Qb5#
          • 2...Kb6
            • 3.Qc6+
              • 3...Ka5
                • 4.Qb5#

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