Problem Display
PID: 200729 (1b2R3/1B6/2pP2pP/2PkPNp1/R4p1r/2p4p/p1P2B2/2n2K2 w - - 0 1)

Bilyk, Sergey

Zadachi i Etyudi, 2017

1b2R3/1B6/2pP2pP/2PkPNp1/R4p1r/2p4p/p1P2B2/2n2K2

#4

11 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Ba6!
      • threat
        • 2.Rd4+
          • 2...Kxc5
            • 3.Rxf4+
              • 3...Kd5
                • 4.Bc4#
      • 1...Se2
        • 2.Bc4+
          • 2...Ke4
            • 3.Bd3+
              • 3...Kf3
                • 4.Bxe2#
              • 3...Kd5
                • 4.Be4#
      • 1...Sb3
        • 2.Bc4+
          • 2...Ke4
            • 3.Bd3+
              • 3...Kf3
                • 4.Be2#
              • 3...Kd5
                • 4.Be4#
      • 1...Sd3
        • 2.Bc4+
          • 2...Ke4
            • 3.Bxd3+
              • 3...Kf3
                • 4.Be2#
              • 3...Kd5
                • 4.Be4#
      • 1...f3
        • 2.Se3+
          • 2...Kxc5
            • 3.Sg4+
              • 3...Kd5
                • 4.Sf6#

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).