Problem Display
PID: 128665 (2BQ2K1/1P3p2/nP6/7p/4kp2/1rpN4/1PP1ppN1/5r2 w - - 0 1)

Melnikov, Volodimir Grigorovich

Komandnoe pervenstvo Ukrainy, 1998

2BQ2K1/1P3p2/nP6/7p/4kp2/1rpN4/1PP1ppN1/5r2

#4

9 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qe5+
          • 2...Kf3
            • 3.Sh4+
              • 3...Kg3
                • 4.Qxf4#
      • 1...Rg1
        • 2.Sxf2+
          • 2...Kf3
            • 3.Qxf4+
              • 3...Kxg2
                • 4.Bh3#
      • 1...Rh1
        • 2.Qe5+
          • 2...Kf3
            • 3.Qxf4+
              • 3...Kxg2
                • 4.Qxf2#
      • 1...Rb5
        • 2.Qxf4+
          • 2...Kd5
            • 3.Se3+
              • 3...Kc6
                • 4.Qf6#
      • 1...h4
        • 2.Qe5+
          • 2...Kf3
            • 3.Sxh4+
              • 3...Kg3
                • 4.Qxf4#
      • 1...f5
        • 2.Qc6+
          • 2...Kd4
            • 3.Be6
              • threat
                • 4.Qd5#
                • 4.Qc4#
      • 1...f6
        • 2.Qc6+
          • 2...Kd4
            • 3.Be6
              • threat
                • 4.Qd5#
                • 4.Qc4#
        • 2.Be6
          • threat
            • 3.Qxf4#
            • 3.Qd5#
          • 2...Kf3
            • 3.Sh4+
              • 3...Ke3
                • 4.Qxf4#
              • 3...Kg3
                • 4.Qxf4#
              • 3...Ke4
                • 4.Qxf4#

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).