Problem Display
PID: 263733 (6N1/1qr3n1/1r2ppNp/5R1P/1p1Bp3/b1p1pp2/2P2k1K/3R1Bn1 w - - 0 1)

Kirillov, Valery Afanasievich

Zadachi i Etyudi, 2009

6N1/1qr3n1/1r2ppNp/5R1P/1p1Bp3/b1p1pp2/2P2k1K/3R1Bn1

#5

9 + 15


SOLUTION


  • SOUND
  • Keys
    • 1.Sf4!
      • threat
        • 2.Be2
          • threat
            • 3.Rf1#
          • 2...Sxe2
            • 3.Sh3#
          • 2...fxe2
            • 3.Sd3#
            • 3.Sh3#
      • 1...Sxf5
        • 2.Bc4
          • threat
            • 3.Rf1#
          • 2...Sg3
            • 3.Sxf6
              • threat
                • 4.Sg4#
              • 3...Rg7
                • 4.Rxg1
                  • threat
                    • 5.Sh3#
                  • 4...Sf1+
                    • 5.Rxf1#
      • 1...exf5
        • 2.Bb5
          • threat
            • 3.Rf1#
          • 2...Rxb5
            • 3.Bxf6
              • threat
                • 4.Bh4#
              • 3...Sxh5
                • 4.Bh4+
                  • 4...Sg3
                    • 5.Bxg3#
              • 3...e2
                • 4.Bd4+
                  • 4...e3
                    • 5.Sd3#
      • 1...Qa6
        • 2.Bxf6
          • threat
            • 3.Bh4#
          • 2...Sxf5
            • 3.Bh4+
              • 3...Sxh4
                • 4.Sf6
                  • threat
                    • 5.Sxe4#
                    • 5.Sg4#
          • 2...e2
            • 3.Bh4+
              • 3...Ke3
                • 4.Sg2+
                  • 4...fxg2
                    • 5.Bf2#

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).