MESON Chess Problem Database

Problem Display
PID: 256060 (4k2r/8/8/R4Q2/8/8/1p1K1p2/8 w - - 0 1)

Pustovoi, Boris

Omskaya Pravda, 1972

4k2r/8/8/R4Q2/8/8/1p1K1p2/8

#4

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Ra7!
      • threat
        • 2.Qc8#
      • 1...b1S+
        • 2.Qxb1
          • threat
            • 3.Qb8#
          • 2...f1S+
            • 3.Kc1
              • threat
                • 4.Qb8#
              • 3...Kd8
                • 4.Qb8#
              • 3...Kf8
                • 4.Qb8#
            • 3.Ke1
              • threat
                • 4.Qb8#
              • 3...Kd8
                • 4.Qb8#
              • 3...Kf8
                • 4.Qb8#
      • 1...f1S+
        • 2.Ke1
          • threat
            • 3.Qc8#
          • 2...b1Q+
            • 3.Qxb1
              • threat
                • 4.Qb8#
              • 3...Kd8
                • 4.Qb8#
              • 3...Kf8
                • 4.Qb8#
          • 2...b1R+
            • 3.Qxb1
              • threat
                • 4.Qb8#
              • 3...Kd8
                • 4.Qb8#
              • 3...Kf8
                • 4.Qb8#

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