Problem Display
PID: 272567 (8/8/2p5/5Q2/p2k4/P2P4/P2K4/8 w - - 0 1)

Sushkov, Yuri Akimovich

Shakhmatnaya kompozitsiya, 1998

8/8/2p5/5Q2/p2k4/P2P4/P2K4/8

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Kd1!
      • threat
        • 2.Kd2
          • 2...c5
            • 3.Qe4#
      • 1...Kc3
        • 2.Kc1
          • threat
            • 3.Qe4
              • 3...c5
                • 4.Qc4#
          • 2...Kd4
            • 3.Kd2
              • 3...c5
                • 4.Qe4#
          • 2...c5
            • 3.Qe4
              • 3...c4
                • 4.Qxc4#
            • 3.Qd5
              • 3...c4
                • 4.Qxc4#
      • 1...Ke3
        • 2.Ke1
          • threat
            • 3.Qe4#
          • 2...Kd4
            • 3.Kd2
              • 3...c5
                • 4.Qe4#
      • 1...c5
        • 2.Qe4+
          • 2...Kc3
            • 3.Kc1
              • 3...c4
                • 4.Qxc4#

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).