Problem Display
PID: 220491 (8/4p1pQ/2p3K1/2P1k3/PN5P/P7/5P2/8 w - - 0 1)

Thomas, Samuel H

English Mechanic and World of Science, 1875

(First published on Fri Oct 22 1875)

8/4p1pQ/2p3K1/2P1k3/PN5P/P7/5P2/8

#4

8 + 4


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kxg7!
      • 1...Kd4
        • 2.Qd3+
          • 2...Kxc5
            • 3.a5
              • threat
                • 4.Sa6#
          • 2...Ke5
            • 3.Kg6
              • threat
                • 4.Qe3#
              • 3...Kf4
                • 4.Qf5#
              • 3...Ke6
                • 4.Qf5#
      • 1...Kf4
        • 2.Qd3
          • 2...Kg4
            • 3.Kg6
              • threat
                • 4.Qg3#
              • 3...Kf4
                • 4.Qf5#
              • 3...Kxh4
                • 4.Qg3#
          • 2...Ke5
            • 3.Kg6
              • threat
                • 4.Qe3#
              • 3...Kf4
                • 4.Qf5#
              • 3...Ke6
                • 4.Qf5#
          • 2...e5
            • 3.Kg6
              • threat
                • 4.Qf5#
              • 3...Kg4
                • 4.Qg3#
              • 3...e4
                • 4.Qg3#
          • 2...e6
            • 3.Kg6
              • 3...Kg4
                • 4.Qg3#
              • 3...Ke5
                • 4.Qe3#
              • 3...e5
                • 4.Qf5#
      • 1...Ke6
        • 2.Qd3
          • 2...Ke5
            • 3.Kg6
              • threat
                • 4.Qe3#
              • 3...Kf4
                • 4.Qf5#
              • 3...Ke6
                • 4.Qf5#
      • 1...e6
        • 2.Qd3
          • 2...Kf4
            • 3.Kg6
              • 3...Kg4
                • 4.Qg3#
              • 3...Ke5
                • 4.Qe3#
              • 3...e5
                • 4.Qf5#

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