Problem Display
PID: 160322 (4b2b/1p2rN2/3p1p1B/1n2P3/2P1kNR1/1K1R2p1/8/3B4 w - - 0 1)

Shavirin, Valery Mikhailovich

1st Prize, Troll, 2016

4b2b/1p2rN2/3p1p1B/1n2P3/2P1kNR1/1K1R2p1/8/3B4

#4

9 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • threat
        • 2.Sxd6+
          • 2...Sxd6
            • 3.Se6+
              • 3...Kf5
                • 4.Sd4#
      • 1...Sd4+
        • 2.Rxd4+
          • 2...Kxd4
            • 3.Se6+
              • 3...Kd3
                • 4.Rd4#
          • 2...Kf5
            • 3.Sxd6+
              • 3...Kxe5
                • 4.Rd5#
      • 1...Rxe5
        • 2.Sxd6+
          • 2...Ke3
            • 3.Sh3+
              • 3...Rg5
                • 4.Sf5#
                • 4.Rxg3#
                • 4.Re4#
          • 2...Sxd6
            • 3.Se6+
              • 3...Kf5
                • 4.Sd4#
      • 1...Rxf7
        • 2.Sd3+
          • 2...Kf5
            • 3.exd6+
              • 3...Ke6
                • 4.Sc5#
      • 1...Bxf7
        • 2.Sg6+
          • 2...Kf5
            • 3.e6+
              • 3...Kxe6
                • 4.Sf8#
      • 1...dxe5
        • 2.Sg2+
          • 2...Kf5
            • 3.Se3+
              • 3...Ke6
                • 4.Sd8#
            • 3.Sh4+
              • 3...Ke6
                • 4.Sd8#
        • 2.Sh5+
          • 2...Kf5
            • 3.Sxg3+
              • 3...Ke6
                • 4.Sd8#
        • 2.Sg6+
          • 2...Kf5
            • 3.Sh4+
              • 3...Ke6
                • 4.Sd8#
        • 2.Sd6+
          • 2...Sxd6
            • 3.Se6+
              • 3...Kf5
                • 4.Sd4#
      • 1...fxe5
        • 2.Se6+
          • 2...Kf5
            • 3.Rf4+
              • 3...Kxe6
                • 4.Bg4#
              • 3...Kg6
                • 4.Sf8#
      • 1...Rd7
        • 2.Sh5+
          • 2...Kf5
            • 3.exf6+
              • 3...Ke6
                • 4.Sg5#
      • 1...f5
        • 2.Sg2+
          • 2...fxg4
            • 3.Sg5+
              • 3...Kf5
                • 4.Bc2#

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).