MESON Chess Problem Database

Problem Display
PID: 49366 (8/4B3/4P3/3kpQ2/7p/4P2p/6NP/2N3K1 w - - 0 1)

Coates, William H

Source?, 0000

8/4B3/4P3/3kpQ2/7p/4P2p/6NP/2N3K1

#4

8 + 4

1693 English Chess Problems 1876

SOLUTION

  • SOUND
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sa5
          • 2...hxg2
            • 3.Qg4
              • threat
                • 4.Qc4#
              • 3...e4
                • 4.Qf5#
      • 1...Kc4
        • 2.Sd4
          • threat
            • 3.Qc2+
              • 3...Kd5
                • 4.Qc6#
          • 2...Kd5
            • 3.Sf4+
              • 3...Kc4
                • 4.Qc2#
                • 4.Qd3#
          • 2...exd4
            • 3.Se1
              • 3...Kb3
                • 4.Qc2#
              • 3...Kc3
                • 4.Qc2#
              • 3...dxe3
                • 4.Qd3#
              • 3...d3
                • 4.Qxd3#
          • 2...e4
            • 3.Qc5+
              • 3...Kd3
                • 4.Qc2#
      • 1...Kc6
        • 2.Qb1
          • threat
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kd5
                • 4.Qe4#
              • 3...Kc7
                • 4.Qb7#
          • 2...Kb5
            • 3.Sc5+
              • 3...Kc4
                • 4.Qb3#
              • 3...Ka5
                • 4.Bd8#
              • 3...Kc6
                • 4.Qb7#
          • 2...Kd5
            • 3.Sc5
              • threat
                • 4.Qe4#
              • 3...Kc4
                • 4.Qb3#
              • 3...Kc6
                • 4.Qb7#
              • 3...e4
                • 4.Qxe4#
          • 2...Kb6
            • 3.Sc5+
              • 3...Ka5
                • 4.Bd8#
              • 3...Kc6
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc7
                • 4.Qb7#
          • 2...Kb7
            • 3.Sc5+
              • 3...Kc6
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc7
                • 4.Qb7#
              • 3...Ka8
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
          • 2...Kc7
            • 3.Sa5
              • threat
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kc6
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
          • 2...e4
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kd5
                • 4.Qxe4#
              • 3...Kc7
                • 4.Qb7#
      • 1...hxg2
        • 2.Sa5
          • 2...h3
            • 3.Qg4
              • 3...e4
                • 4.Qf5#
            • 3.Qg6
              • 3...e4
                • 4.Qf5#

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