MESON Chess Problem Database

Problem Display
PID: 233646 (8/3Q2p1/8/k2p2pp/8/7B/1P2p3/4K3 w - - 0 1)

Havel, Miroslav

Sach, 1942

8/3Q2p1/8/k2p2pp/8/7B/1P2p3/4K3

#4

4 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Be6!
      • threat
        • 2.Qb7
          • threat
            • 3.Bd7
              • threat
                • 4.Qb5#
                • 4.b4#
          • 2...Ka4
            • 3.Bd7+
              • 3...Ka5
                • 4.Qb5#
                • 4.b4#
            • 3.Qb6
              • threat
                • 4.Bd7#
      • 1...Kb4
        • 2.Qxd5
          • threat
            • 3.Bd7
              • threat
                • 4.Qb5#
          • 2...Ka4
            • 3.Bd7+
              • 3...Kb4
                • 4.Qb5#
            • 3.Qc5
              • threat
                • 4.b3#
      • 1...Ka6
        • 2.Qc6+
          • 2...Ka5
            • 3.Bd7
              • threat
                • 4.Qb5#
              • 3...Kb4
                • 4.Qb5#
                • 4.Qc3#
          • 2...Ka7
            • 3.Bxd5
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
            • 3.Bc8
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
        • 2.b4
          • threat
            • 3.Bxd5
              • threat
                • 4.Qb7#
              • 3...Kb6
                • 4.Qb7#
          • 2...Kb6
            • 3.Bxd5
              • threat
                • 4.Qb7#
              • 3...Ka6
                • 4.Qb7#
          • 2...d4
            • 3.Bd5
              • threat
                • 4.Qb7#
              • 3...Kb6
                • 4.Qb7#
      • 1...Kb6
        • 2.b4
          • threat
            • 3.Bxd5
              • threat
                • 4.Qb7#
              • 3...Ka6
                • 4.Qb7#
          • 2...Ka6
            • 3.Bxd5
              • threat
                • 4.Qb7#
              • 3...Kb6
                • 4.Qb7#
          • 2...d4
            • 3.Bd5
              • threat
                • 4.Qb7#
              • 3...Ka6
                • 4.Qb7#
      • 1...d4
        • 2.Qc6
          • threat
            • 3.Qc5+
              • 3...Ka4
                • 4.b3#
              • 3...Ka6
                • 4.Bc8#
            • 3.Bc4
              • threat
                • 4.Qb5#
              • 3...Kb4
                • 4.Qb5#
            • 3.Bd7
              • threat
                • 4.Qb5#
              • 3...Kb4
                • 4.Qb5#
          • 2...Kb4
            • 3.Qb6+
              • 3...Ka4
                • 4.Bb3#
                • 4.Bd7#
            • 3.Bc4
              • threat
                • 4.Qb5#
              • 3...Ka5
                • 4.Qb5#

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