MESON Chess Problem Database

Problem Display
PID: 83277 (8/4p3/8/k7/6Q1/4N3/1P6/4K3 w - - 0 1)

Havel, Miroslav

Sach, 1942

8/4p3/8/k7/6Q1/4N3/1P6/4K3

#4

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qb7
          • threat
            • 3.Sc4+
              • 3...Ka4
                • 4.b3#
            • 3.b3
              • threat
                • 4.Sc4#
          • 2...Ka4
            • 3.Sc4
              • threat
                • 4.b3#
      • 1...Kb4
        • 2.Qd5
          • threat
            • 3.Sc2+
              • 3...Ka4
                • 4.b3#
          • 2...Ka4
            • 3.Sc2
              • threat
                • 4.b3#
      • 1...Ka6
        • 2.Sc4
          • threat
            • 3.b4
              • threat
                • 4.b5#
          • 2...e5
            • 3.b4
              • 3...e4
                • 4.b5#
          • 2...e6
            • 3.b4
              • 3...e5
                • 4.b5#
        • 2.b4
          • threat
            • 3.Sc4
              • threat
                • 4.b5#
          • 2...Kb6
            • 3.Sc4+
              • 3...Ka6
                • 4.b5#
          • 2...e5
            • 3.Sc4
              • 3...e4
                • 4.b5#
          • 2...e6
            • 3.Sc4
              • 3...e5
                • 4.b5#
      • 1...Kb6
        • 2.b4
          • threat
            • 3.Sc4+
              • 3...Ka6
                • 4.b5#
          • 2...Ka6
            • 3.Sc4
              • threat
                • 4.b5#
      • 1...e5
        • 2.Qb7
          • threat
            • 3.Sc4+
              • 3...Ka4
                • 4.b3#
            • 3.b3
              • 3...e4
                • 4.Sc4#
          • 2...Ka4
            • 3.Sc4
              • 3...e4
                • 4.b3#
      • 1...e6
        • 2.Qb7
          • threat
            • 3.Sc4+
              • 3...Ka4
                • 4.b3#
            • 3.b3
              • 3...e5
                • 4.Sc4#
          • 2...Ka4
            • 3.Sc4
              • 3...e5
                • 4.b3#

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