Problem Display
PID: 237687 (8/6B1/3p4/6R1/5p2/1pPp1p1p/pRpkPQ1P/K1nb2nN w - - 0 1)

Sigurov, Aleksandr Ilich

Variantim, 2019

8/6B1/3p4/6R1/5p2/1pPp1p1p/pRpkPQ1P/K1nb2nN

#4

9 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • 1...Bxe2
        • 2.c4
          • 2...Kd1
            • 3.Bc3
              • threat
                • 4.Qe1#
              • 3...d2
                • 4.Rxd2#
      • 1...Scxe2
        • 2.Rxd6
          • 2...Kc1
            • 3.Rxd3
              • 3...Sxc3
                • 4.Qd2#
              • 3...Sg3
                • 4.Qd2#
              • 3...Sd4
                • 4.Qd2#
      • 1...Sgxe2
        • 2.Rd4
          • 2...Kxc3
            • 3.Qe1+
              • 3...d2
                • 4.Qxd2#
          • 2...d5
            • 3.Bf8
              • 3...Kxc3
                • 4.Bb4#
      • 1...fxe2
        • 2.Sg3
          • threat
            • 3.Sf1#
            • 3.Se4#
          • 2...fxg3
            • 3.Bh6+
              • 3...Kxc3
                • 4.Qd4#

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).