Problem Display
PID: 242953 (1K6/8/3k1p2/6N1/8/2P4B/8/4Q3 w - - 0 1)

Schneider, Otto Carl

English Mechanic and World of Science, 1881

(First published on Fri Sep 23 1881)

1K6/8/3k1p2/6N1/8/2P4B/8/4Q3

#3

5 + 2


15239 Valois Notebooks 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Kb7?
      • threat
        • 2.Kb6
          • threat
            • 3.Qe6#
          • 2...Kd5
            • 3.Qe6#
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#
      • 1...Kd5
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#
      • 1...fxg5
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#
      • 1...f5
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#
      • 1...Kc5!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qe6+
          • 2...Kc5
            • 3.Se4#
            • 3.Qc6#
      • 1...Kc5
        • 2.Qe6
          • threat
            • 3.Se4#
            • 3.Qc6#
      • 1...Kd5
        • 2.Qe6+
          • 2...Kc5
            • 3.Se4#
            • 3.Qc6#
      • 1...Kxd7
        • 2.Qe6+
          • 2...Kd8
            • 3.Sf7#
      • 1...fxg5
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#
      • 1...f5
        • 2.Qe6+
          • 2...Kc5
            • 3.Qc6#

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