Problem Display
PID: 152433 (1Q1n1bq1/2r5/p2p2pp/5p2/2PNkP2/4pNPK/bP2P1BP/n1r5 w - - 0 1)

Abramenko, Sergey Petrovich

Shakhmatnaya kompozitsiya, 2001

1Q1n1bq1/2r5/p2p2pp/5p2/2PNkP2/4pNPK/bP2P1BP/n1r5

#4

11 + 14


15174 FIDE Album (2001-2003) 2011

SOLUTION


  • SOUND
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qc3
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
            • 3.Qd3#
          • 2...Rxc3
            • 3.bxc3
              • threat
                • 4.Se1#
                • 4.Sg1#
                • 4.Sd2#
                • 4.Sh4#
                • 4.Se5#
                • 4.Sg5#
      • 1...Qxc4
        • 2.Se6
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sfg5#
          • 2...Sxe6
            • 3.Sg5+
              • 3...Kd4
                • 4.Sxe6#
      • 1...R1xc4
        • 2.Sc2
          • threat
            • 3.Sfe1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
          • 2...Sxc2
            • 3.Se1+
              • 3...Kd4
                • 4.Sxc2#
      • 1...R7xc4
        • 2.Sc6
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Sfe5#
            • 3.Sg5#
          • 2...Sxc6
            • 3.Se5+
              • 3...Kd4
                • 4.Sxc6#
      • 1...Bxc4
        • 2.Sb3
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sfd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
          • 2...Sxb3
            • 3.Sd2+
              • 3...Kd4
                • 4.Sxb3#
      • 1...Rc2
        • 2.Sxc2
          • threat
            • 3.Sfe1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
          • 2...Sxc2
            • 3.Se1+
              • 3...Kd4
                • 4.Sxc2#
            • 3.Qc3
              • threat
                • 4.Se1#
                • 4.Sg1#
                • 4.Sd2#
                • 4.Sd4#
                • 4.Sh4#
                • 4.Se5#
                • 4.Sg5#
                • 4.Qxc2#
                • 4.Qd3#
        • 2.Qc3
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
            • 3.Qd3#
          • 2...Rxc3
            • 3.bxc3
              • threat
                • 4.Se1#
                • 4.Sg1#
                • 4.Sd2#
                • 4.Sh4#
                • 4.Se5#
                • 4.Sg5#
      • 1...Bb1
        • 2.Sb3
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sfd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
          • 2...Sxb3
            • 3.Sd2+
              • 3...Kd4
                • 4.Sxb3#
        • 2.Qc3
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sg5#
          • 2...Rxc3
            • 3.bxc3
              • threat
                • 4.Se1#
                • 4.Sg1#
                • 4.Sd2#
                • 4.Sh4#
                • 4.Se5#
                • 4.Sg5#
      • 1...Se6
        • 2.Sxe6
          • threat
            • 3.Se1#
            • 3.Sg1#
            • 3.Sd2#
            • 3.Sfd4#
            • 3.Sh4#
            • 3.Se5#
            • 3.Sfg5#
          • 2...Qxe6
            • 3.Sg5+
              • 3...Kd4
                • 4.Sxe6#

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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).