Problem Display
PID: 272570 (8/2N3Rp/P1PkP1P1/8/3Kp1p1/4p1pb/5n2/8 w - - 0 1)

Kriuckov, Pavel

Shakhmatnaya kompozitsiya, 1998

8/2N3Rp/P1PkP1P1/8/3Kp1p1/4p1pb/5n2/8

#4

7 + 8


SOLUTION


  • COOKED
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rd7+
          • 2...Kxc6
            • 3.Rb7
              • threat
                • 4.Rb6#
              • 3...Kd6
                • 4.Rb6#
          • 2...Kxe6
            • 3.Rf7
              • threat
                • 4.Rf6#
              • 3...Kd6
                • 4.Rf6#
      • 1...hxg6
        • 2.e7
          • threat
            • 3.Rxg6#
          • 2...Kxc6
            • 3.e8Q+
              • 3...Kd6
                • 4.Rxg6#
                • 4.Qxg6#
                • 4.Qd7#
            • 3.e8B+
              • 3...Kd6
                • 4.Rxg6#
          • 2...Ke6
            • 3.e8Q+
              • 3...Kf5
                • 4.Qxg6#
                • 4.Qe5#
              • 3...Kd6
                • 4.Rxg6#
                • 4.Qxg6#
                • 4.Qd7#
            • 3.e8R+
              • 3...Kf5
                • 4.Re5#
              • 3...Kd6
                • 4.Rxg6#
    • 1.a7!
      • threat
        • 2.a8Q
          • threat
            • 3.Rd7#
        • 2.a8B
          • threat
            • 3.Rd7#
      • 1...Sd3
        • 2.Rd7+
          • 2...Kxc6
            • 3.a8Q+
              • 3...Kb6
                • 4.Qa6#

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).