Problem Display
PID: 268009 (1r4bk/p5p1/2p2Pp1/Kp4R1/3Q4/8/8/8 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Shakhmatnaya kompozitsiya, 1995

1r4bk/p5p1/2p2Pp1/Kp4R1/3Q4/8/8/8

#4

4 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Rxg6!
      • threat
        • 2.f7
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
      • 1...Kh7
        • 2.Rxg7+
          • 2...Kh8
            • 3.Qh4+
              • 3...Bh7
                • 4.Qxh7#
      • 1...Bf7
        • 2.Rxg7
          • threat
            • 3.Qh4+
              • 3...Bh5
                • 4.Qxh5#
          • 2...Bh5
            • 3.Qh4
              • threat
                • 4.Qxh5#
          • 2...Bg6
            • 3.Qh4+
              • 3...Bh5
                • 4.Qxh5#
              • 3...Bh7
                • 4.Qxh7#
          • 2...Be8
            • 3.Qh4+
              • 3...Bh5
                • 4.Qxh5#
          • 2...Bg8
            • 3.Qh4+
              • 3...Bh7
                • 4.Qxh7#
      • 1...Rb6
        • 2.Rh6+
          • 2...gxh6
            • 3.f7+
              • 3...Kh7
                • 4.f8S#
        • 2.f7
          • threat
            • 3.Qxg7#
          • 2...Ra6+
            • 3.Kxa6
              • threat
                • 4.Qxg7#
              • 3...Kh7
                • 4.Qxg7#
      • 1...Rb7
        • 2.Rh6+
          • 2...gxh6
            • 3.f7+
              • 3...Kh7
                • 4.f8S#
      • 1...Rd8
        • 2.Qh4+
          • 2...Bh7
            • 3.Rxg7
              • threat
                • 4.Qxh7#
      • 1...Re8
        • 2.Qh4+
          • 2...Bh7
            • 3.Rxg7
              • threat
                • 4.Qxh7#
        • 2.f7
          • threat
            • 3.Qxg7#
          • 2...Re5
            • 3.Qxe5
              • threat
                • 4.Qxg7#
              • 3...Kh7
                • 4.Qxg7#
                • 4.Qh5#
      • 1...Bh7
        • 2.Qd7
          • threat
            • 3.Qxg7#
          • 2...Rb7
            • 3.fxg7+
              • 3...Kg8
                • 4.Qe8#
            • 3.Qxb7
              • threat
                • 4.Qxg7#
              • 3...Kg8
                • 4.Qxg7#
              • 3...gxf6
                • 4.Qg7#
          • 2...Rg8
            • 3.fxg7+
              • 3...Rxg7
                • 4.Qxg7#
      • 1...b4
        • 2.Qh4+
          • 2...Bh7
            • 3.fxg7+
              • 3...Kg8
                • 4.Qc4#
      • 1...c5
        • 2.Qh4+
          • 2...Bh7
            • 3.Rxg7
              • threat
                • 4.Qxh7#

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).