Problem Display
PID: 275029 (1b6/pR6/P1k5/3Rp3/N3P3/1pK5/4P3/3B4 w - - 0 1)

Cross, H Holgate

The Problemist, 1934

1b6/pR6/P1k5/3Rp3/N3P3/1pK5/4P3/3B4

#3

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...b2
      • 2.Sxb2
        • threat
          • 3.Ba4#
  • Tries
    • 1.Bxb3?
      • threat
        • 2.Sb2
          • threat
            • 3.Ba4#
        • 2.Sc5
          • threat
            • 3.Ba4#
        • 2.Bc4
          • threat
            • 3.Bb5#
        • 2.Rd8
          • threat
            • 3.Bd5#
      • 1...Bd6
        • 2.Sc5
          • threat
            • 3.Ba4#
      • 1...Bc7!
    • 1.Rb4?
      • threat
        • 2.Rc4#
      • 1...Kc7
        • 2.Rc4#
      • 1...Bd6!
    • 1.Rbb5?
      • threat
        • 2.Rbc5#
      • 1...Kc7
        • 2.Rbc5#
      • 1...Bd6!
  • Keys
    • 1.Sb2!
      • threat
        • 2.Bxb3
          • threat
            • 3.Ba4#
      • 1...Bc7
        • 2.Sc4
          • 2...Ba5+
            • 3.Sxa5#
          • 2...Bb6
            • 3.Sxe5#
          • 2...Bd6
            • 3.Sa5#
          • 2...Bb8
            • 3.Sa5#
          • 2...Bd8
            • 3.Sxe5#
          • 2...b2
            • 3.Ba4#
      • 1...Bd6
        • 2.Sd3
          • 2...Bb4+
            • 3.Sxb4#
          • 2...Ba3
            • 3.Sxe5#
          • 2...Bc5
            • 3.Sxe5#
          • 2...Bc7
            • 3.Sb4#
          • 2...Be7
            • 3.Sxe5#
          • 2...Bb8
            • 3.Sb4#
          • 2...Bf8
            • 3.Sxe5#
          • 2...b2
            • 3.Ba4#

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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).