Problem Display
PID: 266563 (8/kBK5/Pp6/8/2P5/8/8/8 w - - 0 1)

Surkov, Valery Albertovich

Schweizerische Schachzeitung, 2020

8/kBK5/Pp6/8/2P5/8/8/8

#5

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Bc8!
      • 1...Ka8
        • 2.c5
          • threat
            • 3.Bb7+
              • 3...Ka7
                • 4.cxb6#
          • 2...bxc5
            • 3.Kb6
              • threat
                • 4.Bb7+
                  • 4...Kb8
                    • 5.a7#
                • 4.a7
                  • 4...c4
                    • 5.Bb7#
              • 3...Kb8
                • 4.Bb7
                  • 4...c4
                    • 5.a7#
          • 2...b5
            • 3.Kb6
              • threat
                • 4.Bb7+
                  • 4...Kb8
                    • 5.a7#
                • 4.a7
                  • 4...b4
                    • 5.Bb7#
              • 3...Kb8
                • 4.Bb7
                  • 4...b4
                    • 5.a7#

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).