Problem Display
PID: 67034 (2R5/8/1p6/1r6/r1np4/RpkP4/2P5/2K5 w - - 0 1)

Brotherton, David WA

The Observer, 1953

(First published on Sun Sep 20 1953)

2R5/8/1p6/1r6/r1np4/RpkP4/2P5/2K5

#3

5 + 7


136 Problem Observer 2006
15239 Valois Notebooks 2020
  • SOUND
  • Sets
    • 1...Kb4
      • 2.Rxb3+
        • 2...Ka5
          • 3.Ra8#
    • 1...Rxa3
      • 2.Rxc4#
    • 1...Rab4
      • 2.Rxb3+
        • 2...Rxb3
          • 3.Rxc4#
    • 1...Raa5
      • 2.Rxc4#
    • 1...Ra6
      • 2.Rxc4#
    • 1...Ra7
      • 2.Rxc4#
    • 1...Ra8
      • 2.Rxc4#
    • 1...Rbb4
      • 2.Rxc4+
        • 2...Rxc4
          • 3.Rxb3#
    • 1...Rba5
      • 2.Rxb3#
    • 1...Rc5
      • 2.Rxb3#
    • 1...Rd5
      • 2.Rxb3#
    • 1...Re5
      • 2.Rxb3#
    • 1...Rf5
      • 2.Rxb3#
    • 1...Rg5
      • 2.Rxb3#
    • 1...Rh5
      • 2.Rxb3#
  • Tries
    • 1.Rc6?
      • 1...Rab4
        • 2.Rxb3+
          • 2...Rxb3
            • 3.Rxc4#
      • 1...Rbb4
        • 2.Rxc4+
          • 2...Rxc4
            • 3.Rxb3#
      • 1...Kb4!
  • Keys
    • 1.Rc7!
      • 1...Kb4
        • 2.Rxb3+
          • 2...Ka5
            • 3.Ra7#
      • 1...Rab4
        • 2.Rxb3+
          • 2...Rxb3
            • 3.Rxc4#
      • 1...Rbb4
        • 2.Rxc4+
          • 2...Rxc4
            • 3.Rxb3#


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