Problem Display
PID: 235803 (2K4Q/3R1b1B/3Pp2p/2ppPp1P/1nP1k3/1NRp3N/3P1pP1/4r3 w - - 0 1)

Grinblat, Arieh

Variantim, 2016

2K4Q/3R1b1B/3Pp2p/2ppPp1P/1nP1k3/1NRp3N/3P1pP1/4r3

#4

13 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qg4+
          • 2...Kxe5
            • 3.Qg7+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Bxh5
        • 2.Sxc5+
          • 2...Kd4
            • 3.Sxe6+
              • 3...Ke4
                • 4.Sxf2#
      • 1...dxc4
        • 2.Rxc4+
          • 2...Kd5
            • 3.Rxc5+
              • 3...Ke4
                • 4.Qg4#
      • 1...Bg6
        • 2.Sxc5+
          • 2...Kd4
            • 3.Sxe6+
              • 3...Ke4
                • 4.Sxf2#
      • 1...Be8
        • 2.Sxc5+
          • 2...Kd4
            • 3.Sxe6+
              • 3...Ke4
                • 4.Sxf2#
        • 2.Qg4+
          • 2...Kxe5
            • 3.Qg3+
              • 3...Ke4
                • 4.Sxf2#
                • 4.Qf4#
              • 3...Kf6
                • 4.Qg7#
              • 3...f4
                • 4.Qxf4#
                • 4.Qg7#
            • 3.Qg7+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Bg8
        • 2.Qg4+
          • 2...Kxe5
            • 3.Qg3+
              • 3...Ke4
                • 4.Sxf2#
                • 4.Qf4#
              • 3...Kf6
                • 4.Qg7#
              • 3...f4
                • 4.Qxf4#
                • 4.Qg7#
            • 3.Qg7+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Sa6
        • 2.Sxf2+
          • 2...Kf4
            • 3.Sxd3+
              • 3...Ke4
                • 4.Qg4#

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).