Problem Display
PID: 207921 (2r3kr/2BR1bpn/4n1p1/7N/8/p2Q2p1/BR4Pb/5K2 w - - 0 1)

Anonymous

BCA Ty., 1873

2r3kr/2BR1bpn/4n1p1/7N/8/p2Q2p1/BR4Pb/5K2

#4

8 + 11


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qxg6!
      • threat
        • 2.Qxf7#
      • 1...Bxg6
        • 2.Bxe6+
          • 2...Kf8
            • 3.Bd6+
              • 3...Ke8
                • 4.Sxg7#
          • 2...Bf7
            • 3.Bxf7+
              • 3...Kf8
                • 4.Bd6#
      • 1...Rf8
        • 2.Rf2
          • threat
            • 3.Bxe6
              • threat
                • 4.Qxg7#
            • 3.Rdxf7
              • threat
                • 4.Rxg7#
              • 3...Rxf7
                • 4.Qxf7#
          • 2...gxf2
            • 3.Bxh2
              • 3...Bxg6
                • 4.Rxg7#
              • 3...Ra8
                • 4.Qxf7#
              • 3...Rb8
                • 4.Qxf7#
              • 3...Rc8
                • 4.Qxf7#
              • 3...Rd8
                • 4.Qxf7#
              • 3...Re8
                • 4.Qxf7#
              • 3...Be8
                • 4.Rxg7#
                • 4.Qxg7#
              • 3...Sd4
                • 4.Qxg7#
              • 3...Sf4
                • 4.Qxg7#
              • 3...Sc5
                • 4.Qxg7#
              • 3...Seg5
                • 4.Qxg7#
              • 3...Sc7
                • 4.Qxg7#
              • 3...Sd8
                • 4.Qxg7#
              • 3...Shg5
                • 4.Sf6#
              • 3...Sf6
                • 4.Sxf6#

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).