Problem Display
PID: 269101 (8/2B2p2/4P1Pp/pP4pr/Qp4Pk/1K3Pp1/1P4p1/4R1N1 w - - 0 1)

Sigurov, Aleksandr Ilich

1/3 Prize, Shakhmatnaya kompozitsiya, 2020

8/2B2p2/4P1Pp/pP4pr/Qp4Pk/1K3Pp1/1P4p1/4R1N1

#4

11 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rc1!
      • 1...fxe6
        • 2.Rc2
          • 2...e5
            • 3.Rxg2
              • 3...e4
                • 4.Bxg3#
      • 1...fxg6
        • 2.Rc3
          • 2...bxc3
            • 3.gxh5+
              • 3...Kxh5
                • 4.Qg4#
              • 3...g4
                • 4.Qxg4#
      • 1...f5
        • 2.Rc5
          • 2...fxg4
            • 3.Bd8
              • 3...gxf3
                • 4.Rc4#
          • 2...f4
            • 3.Bxf4
              • 3...gxf4
                • 4.Rxh5#
      • 1...f6
        • 2.Rc4
          • 2...f5
            • 3.gxf5+
              • 3...g4
                • 4.Rxg4#

FEATURES


NOT CLASSIFIED


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).