Problem Display
PID: 168671 (8/1p2K2p/1PPpR3/1BPk3r/N1p1ppn1/2pr4/4N2B/bR5b w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

SuperProblem, 2015

8/1p2K2p/1PPpR3/1BPk3r/N1p1ppn1/2pr4/4N2B/bR5b

#4

10 + 13


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rb4!
      • threat
        • 2.Bxc4+
          • 2...Kxc6
            • 3.Bb5+
              • 3...Kd5
                • 4.Sxf4#
      • 1...Rxh2
        • 2.Bxc4+
          • 2...Kxc6
            • 3.Bb5+
              • 3...Kd5
                • 4.Sxf4#
            • 3.Sxf4
              • threat
                • 4.Bb5#
      • 1...Rhh3
        • 2.Bxc4+
          • 2...Kxc6
            • 3.Bb5+
              • 3...Kd5
                • 4.Sxf4#
            • 3.Sxf4
              • threat
                • 4.Bb5#
        • 2.Rxc4
          • threat
            • 3.Sxf4#
          • 2...Rhf3
            • 3.Bxf4
              • threat
                • 4.Rxd6#
              • 3...Rxf4
                • 4.Sxf4#
              • 3...dxc5
                • 4.Rxc5#
                • 4.Rd6#
            • 3.cxd6
              • threat
                • 4.Rc5#
      • 1...Rh4
        • 2.Bxc4+
          • 2...Kxc6
            • 3.Bb5+
              • 3...Kd5
                • 4.Sxf4#
            • 3.Sxf4
              • threat
                • 4.Bb5#
      • 1...Rf5
        • 2.Rxd6+
          • 2...Ke5
            • 3.Re6+
              • 3...Kd5
                • 4.Bxc4#
      • 1...Se3
        • 2.Sxf4+
          • 2...Kd4
            • 3.Se2+
              • 3...Kd5
                • 4.Rxd6#

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).