Problem Display
PID: 34725 (br6/6p1/1kB3K1/pN6/P2P4/8/8/7Q w - - 0 1)

Kasparyan, Genrikh M

Shakhmaty v SSSR, 1931

br6/6p1/1kB3K1/pN6/P2P4/8/8/7Q

#4

6 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc5+
          • 2...Ka6
            • 3.Sc7#
            • 3.Qa7#
      • 1...Ka6
        • 2.Bb7+
          • 2...Kxb7
            • 3.Qc7+
              • 3...Ka6
                • 4.Qa7#
          • 2...Rxb7
            • 3.Qc8
              • 3...Kb6
                • 4.Qe6#
          • 2...Bxb7
            • 3.Sc7+
              • 3...Kb6
                • 4.Qc5#
              • 3...Ka7
                • 4.Qc5#
      • 1...Bxc6
        • 2.Qc5+
          • 2...Kb7
            • 3.Qa7+
              • 3...Kc8
                • 4.Qc7#
      • 1...Rb7
        • 2.Bxb7
          • threat
            • 3.Qc6#
            • 3.Qc7#
          • 2...Kxb7
            • 3.Qc7+
              • 3...Ka6
                • 4.Qa7#
            • 3.Qc5
              • 3...Ka6
                • 4.Qa7#
              • 3...Kb8
                • 4.Qc7#
          • 2...Bxb7
            • 3.Qc5+
              • 3...Ka6
                • 4.Sc7#
                • 4.Qa7#

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).