Problem Display
PID: 247599 (8/1R1R2pK/7p/p1kpN3/7n/1nP5/B2p2rp/6b1 w - - 0 1)

Makaronets, Leonid

Zadachi i Etyudi, 2003

8/1R1R2pK/7p/p1kpN3/7n/1nP5/B2p2rp/6b1

#4

6 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Bb1!
      • threat
        • 2.Rdc7+
          • 2...Kd6
            • 3.Sf7+
              • 3...Ke6
                • 4.Rc6#
      • 1...Rf2
        • 2.Bd3
          • threat
            • 3.Rb5#
          • 2...Sd4
            • 3.Be4
              • threat
                • 4.Rxd5#
              • 3...dxe4
                • 4.cxd4#
      • 1...Sd4
        • 2.Be4
          • threat
            • 3.Rxd5#
          • 2...dxe4
            • 3.c4
              • threat
                • 4.Rd5#
              • 3...Sb5
                • 4.Rxb5#
      • 1...Sf5
        • 2.Bxf5
          • threat
            • 3.Rdc7+
              • 3...Kd6
                • 4.Sf7#
          • 2...Rg6
            • 3.Rdc7+
              • 3...Kd6
                • 4.Sf7#
              • 3...Rc6
                • 4.Rxc6#
          • 2...Sd4
            • 3.Rdc7+
              • 3...Kd6
                • 4.Sf7#
              • 3...Sc6
                • 4.Rxc6#
          • 2...d4
            • 3.Bd3
              • threat
                • 4.Rb5#
            • 3.Be4
              • threat
                • 4.Rd5#
            • 3.Be6
              • threat
                • 4.Rd5#
            • 3.c4
              • threat
                • 4.Rb5#
                • 4.Rd5#

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).