Problem Display
PID: 152746 (kBN4K/4P1n1/B1RPn1p1/6p1/8/8/8/8 w - - 0 1)

Harley, Brian

The Observer, 1932

(First published on Sun Dec 18 1932)

kBN4K/4P1n1/B1RPn1p1/6p1/8/8/8/8

#3

7 + 5


15290 Harley Scrapbook 2014
15239 Valois Notebooks 2018

SOLUTION


  • COOKED
  • Sets
    • 1...Sc7
      • 2.dxc7
        • threat
          • 3.Sb6#
  • Keys
    • 1.Ba7!
      • threat
        • 2.Rb6
          • threat
            • 3.Bb7#
            • 3.Rb8#
      • 1...Sc5
        • 2.Rc7
          • threat
            • 3.Sb6#
          • 2...Sa4
            • 3.Bb7#
          • 2...Sb7
            • 3.Bxb7#
          • 2...Sd7
            • 3.Bb7#
      • 1...Sc7
        • 2.Rxc7
          • threat
            • 3.Sb6#
            • 3.Bb7#
      • 1...Sd8
        • 2.exd8S
          • threat
            • 3.Bb7#
    • 1.Rc7!
      • threat
        • 2.Sb6+
          • 2...Kxb8
            • 3.Rb7#
        • 2.Rb7
          • threat
            • 3.Sb6#
      • 1...Kxb8
        • 2.Rb7+
          • 2...Ka8
            • 3.Sb6#
          • 2...Kxc8
            • 3.d7#
      • 1...Sxc7
        • 2.dxc7
          • threat
            • 3.Sb6#
      • 1...Sf4
        • 2.Sb6+
          • 2...Kxb8
            • 3.Rb7#
        • 2.Ba7
          • threat
            • 3.Sb6#
            • 3.Bb7#
      • 1...Sc5
        • 2.Ba7
          • threat
            • 3.Sb6#
          • 2...Sa4
            • 3.Bb7#
          • 2...Sb7
            • 3.Bxb7#
          • 2...Sd7
            • 3.Bb7#
      • 1...Sd8
        • 2.Sb6+
          • 2...Kxb8
            • 3.exd8Q#
            • 3.exd8R#
        • 2.exd8Q
          • threat
            • 3.Sb6#
          • 2...Kxb8
            • 3.Sb6#
            • 3.Sa7#
            • 3.Se7#
        • 2.exd8R
          • threat
            • 3.Sb6#
          • 2...Kxb8
            • 3.Sb6#
            • 3.Sa7#
            • 3.Se7#
      • 1...Sf8
        • 2.Sb6+
          • 2...Kxb8
            • 3.Rb7#
        • 2.Ba7
          • threat
            • 3.Sb6#
            • 3.Bb7#

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