Problem Display
PID: 119059 (8/1R2B3/QP2k3/1Pp1p2P/2p3P1/8/2K5/8 w - - 0 1)

Watson, Frederick W

Vancouver Province, 1951

8/1R2B3/QP2k3/1Pp1p2P/2p3P1/8/2K5/8

#3

8 + 4


3713 Snap 2009
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...c3
      • 2.Qa2+
        • 2...c4
          • 3.Qxc4#
  • Tries
    • 1.Qa1?
      • 1...Kf7
        • 2.Bd6+
          • 2...Ke6
            • 3.Qxe5#
          • 2...Kf6
            • 3.Qxe5#
          • 2...Ke8
            • 3.Qa8#
          • 2...Kg8
            • 3.Qa8#
      • 1...c3
        • 2.Qa2+
          • 2...c4
            • 3.Qxc4#
      • 1...e4
        • 2.Qf6+
          • 2...Kd5
            • 3.Rd7#
            • 3.Qd6#
      • 1...Kd5!
    • 1.Qa8?
      • threat
        • 2.Qg8#
      • 1...Kd5
        • 2.Rc7+
          • 2...Kd4
            • 3.Bxc5#
          • 2...Ke6
            • 3.Qg8#
        • 2.Rd7+
          • 2...Ke6
            • 3.Qd5#
      • 1...Kf7
        • 2.Qc8
          • threat
            • 3.Bh4#
            • 3.Bg5#
          • 2...Kg7
            • 3.Bg5#
        • 2.Qf8+
          • 2...Ke6
            • 3.Qg8#
      • 1...e4!
  • Keys
    • 1.Rc7!
      • 1...Kd5
        • 2.Qa8+
          • 2...Kd4
            • 3.Bxc5#
          • 2...Ke6
            • 3.Qg8#
      • 1...Kf7
        • 2.Qc8
          • threat
            • 3.Bh4#
            • 3.Bg5#
          • 2...Kg7
            • 3.Bg5#
      • 1...e4
        • 2.b7+
          • 2...Kd5
            • 3.Qd6#
          • 2...Ke5
            • 3.Qd6#
          • 2...Kf7
            • 3.Qg6#
      • 1...c3
        • 2.Qa2+
          • 2...c4
            • 3.Qxc4#

Anticipated by 29958(1894)

FEATURES


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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).