Problem Display
PID: 210727 (3nK3/1pp2p2/p2P1B2/1p2RPP1/3k4/2N2P1p/2R1B1pr/r5b1 w - - 0 1)

Shavirin, Valery Mikhailovich

1st Prize, StrateGems, 2019

3nK3/1pp2p2/p2P1B2/1p2RPP1/3k4/2N2P1p/2R1B1pr/r5b1

#4

10 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.g6!
      • threat
        • 2.Rxb5+
          • 2...Ke3
            • 3.Sd5+
              • 3...Kf2
                • 4.Bh4#
      • 1...Re1
        • 2.Rxb5+
          • 2...Ke3
            • 3.Sd5+
              • 3...Kf2
                • 4.Bh4#
            • 3.Bg5+
              • 3...Kf2
                • 4.Se4#
              • 3...Kd4
                • 4.Rd5#
        • 2.Rd5+
          • 2...Ke3
            • 3.Bg5+
              • 3...Kf2
                • 4.Se4#
      • 1...Sc6
        • 2.Rd5+
          • 2...Ke3
            • 3.Se4
              • threat
                • 4.Bg5#
              • 3...Kf4
                • 4.Bg5#
      • 1...c6
        • 2.Re4+
          • 2...Kc5
            • 3.Sxb5+
              • 3...Kd5
                • 4.Re5#
              • 3...Kb6
                • 4.Bxd8#

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).