MESON Chess Problem Database

Problem Display
PID: 34744 (8/8/8/p7/P6Q/2B1p3/Bb2K3/k7 w - - 0 1)

Pachman, Vladimir

1st HM., Shakhmaty v SSSR, 1959

8/8/8/p7/P6Q/2B1p3/Bb2K3/k7

#4

5 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qb6
          • threat
            • 3.Qxb2#
          • 2...Kxa2
            • 3.Qxb2#
          • 2...Bxc3
            • 3.Qb1#
      • 1...Kxa2
        • 2.Bxb2
          • 2...Kb1
            • 3.Ba1
              • threat
                • 4.Qb2#
              • 3...Kc1
                • 4.Qb2#
                • 4.Qd1#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
                • 4.Qd1#
            • 3.Ba3
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
                • 4.Qd3#
          • 2...Kb3
            • 3.Bc1
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
      • 1...Bxc3
        • 2.Qc4
          • 2...Kb2
            • 3.Qb3+
              • 3...Ka1
                • 4.Qb1#
              • 3...Kc1
                • 4.Qb1#
                • 4.Qxc3#
          • 2...Be1
            • 3.Qb3
              • threat
                • 4.Qb1#
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bb2
            • 3.Qb3
              • 3...Bc1
                • 4.Qb1#
              • 3...Ba3
                • 4.Qb1#
              • 3...Bc3
                • 4.Qb1#
              • 3...Bd4
                • 4.Qb1#
              • 3...Be5
                • 4.Qb1#
              • 3...Bf6
                • 4.Qb1#
              • 3...Bg7
                • 4.Qb1#
              • 3...Bh8
                • 4.Qb1#
          • 2...Bd2
            • 3.Qb3
              • threat
                • 4.Qb1#
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bb4
            • 3.Qb3
              • threat
                • 4.Qb1#
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bd4
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Be5
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bf6
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bg7
            • 3.Qc2
              • threat
                • 4.Qb1#
          • 2...Bh8
            • 3.Qc2
              • threat
                • 4.Qb1#

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