Problem Display
PID: 259522 (K6n/6p1/3pQ1n1/4pR1N/1PN1k1p1/4B3/2P3rP/4b3 w - - 0 1)

Shifrin, Semion

Variantim, 2022

K6n/6p1/3pQ1n1/4pR1N/1PN1k1p1/4B3/2P3rP/4b3

#4

9 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • threat
        • 2.Qf5+
          • 2...Kd5
            • 3.Sb6+
              • 3...Kc6
                • 4.Qd7#
      • 1...Rf2
        • 2.Sg3+
          • 2...Kf3
            • 3.Qd5+
              • 3...e4
                • 4.Qxe4#
      • 1...Bf2
        • 2.Sd2+
          • 2...Kxe3
            • 3.Qb3+
              • 3...Kxd2
                • 4.Qd3#
              • 3...Ke2
                • 4.Qd3#
              • 3...Kd4
                • 4.Qd3#

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).