Problem Display
PID: 225067 (1b1r1k1r/2p2p1p/Qp2pR2/2p5/4N3/7B/8/2B3RK w - - 0 1)

Ilic, Miloje

The Problemist, 2020

1b1r1k1r/2p2p1p/Qp2pR2/2p5/4N3/7B/8/2B3RK

#5

7 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxd8#
      • 1...Rxc8
        • 2.Rg7
          • threat
            • 3.Rfxf7+
              • 3...Ke8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
          • 2...Ke7
            • 3.Rfxf7+
              • 3...Kd8
                • 4.Sf6
                  • threat
                    • 5.Rd7#
              • 3...Ke8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
          • 2...Kxg7
            • 3.Bh6+
              • 3...Kg8
                • 4.Rg6+
                  • 4...fxg6
                    • 5.Bxe6#
                  • 4...hxg6
                    • 5.Sf6#
          • 2...Ke8
            • 3.Rfxf7
              • threat
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
              • 3...Kd8
                • 4.Sf6
                  • threat
                    • 5.Rd7#
              • 3...Rf8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
                    • 5.Rxf8#
              • 3...Rg8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
                    • 5.Rxg8#
          • 2...Rg8
            • 3.Rfxf7+
              • 3...Ke8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
                    • 5.Rxg8#
          • 2...e5
            • 3.Rfxf7+
              • 3...Ke8
                • 4.Sf6+
                  • 4...Kd8
                    • 5.Rd7#
                • 4.Bd7+
                  • 4...Kd8
                    • 5.Bg5#
                • 4.Bg5
                  • threat
                    • 5.Bd7#
                  • 4...Rd8
                    • 5.Sf6#

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).