Problem Display
PID: 4417 (8/8/N7/1p1B4/1p1p4/k2p4/2pP4/2K4Q w - - 0 1)

CW of Sunbury (Charles White)

Source?, 0000

8/8/N7/1p1B4/1p1p4/k2p4/2pP4/2K4Q

#3

5 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qf8
          • 2...Ka4
            • 3.Qxb4#
        • 2.Qd6
          • 2...Ka4
            • 3.Qxb4#
      • 1...Ka4
        • 2.Sc5+
          • 2...Ka3
            • 3.Qa6#
          • 2...Ka5
            • 3.Qa6#
      • 1...b3!
    • 1.Qh7?
      • threat
        • 2.Qe7
          • 2...Ka4
            • 3.Qxb4#
      • 1...Ka4
        • 2.Sc5+
          • 2...Ka3
            • 3.Qa7#
          • 2...Ka5
            • 3.Qa7#
            • 3.Qc7#
      • 1...b3!
    • 1.Qh8?
      • threat
        • 2.Qxd4
          • threat
            • 3.Qa1#
            • 3.Qxb4#
          • 2...Ka4
            • 3.Qa1#
            • 3.Qxb4#
        • 2.Qf8
          • 2...Ka4
            • 3.Qxb4#
      • 1...Ka4
        • 2.Sc5+
          • 2...Ka3
            • 3.Qa8#
          • 2...Ka5
            • 3.Qd8#
      • 1...b3!
  • Keys
    • 1.Bb3!
      • 1...Kxb3
        • 2.Qa8
          • 2...Ka2
            • 3.Sc5#
          • 2...Ka3
            • 3.Sc5#
          • 2...Ka4
            • 3.Sc5#
          • 2...Kc4
            • 3.Qg8#

FEATURES


NOT CLASSIFIED


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).