Problem Display
PID: 220211 (1B3K2/3b4/8/2p5/Rp6/1k6/N3RN2/1B6 w - - 0 1)

Anonymous

English Mechanic and World of Science, 1875

(First published on Fri Jul 9 1875)

1B3K2/3b4/8/2p5/Rp6/1k6/N3RN2/1B6

#3

7 + 4


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Bc2+?
      • 1...Kb2
        • 2.Be5#
      • 1...Kc4!
    • 1.Rxb4+?
      • 1...Ka3
        • 2.Re3#
      • 1...cxb4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Ba2+
          • 2...Kxc3
            • 3.Be5#
      • 1...Kxc3
        • 2.Ba2
          • threat
            • 3.Be5#
          • 2...Kd4
            • 3.Be5#
      • 1...Kc4
        • 2.Ba2+
          • 2...Kxc3
            • 3.Be5#
          • 2...Kd4
            • 3.Be5#
      • 1...Bxa4
        • 2.Ba2+
          • 2...Ka3
            • 3.Sb1#
          • 2...Kxc3
            • 3.Be5#
      • 1...bxc3
        • 2.Bc2+
          • 2...Kb2
            • 3.Sd3#

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