Problem Display
PID: 244982 (7Q/2p3Kp/8/8/8/8/7k/5B2 w - - 0 1)

Koci, Vladimir

The Problemist, 2020

7Q/2p3Kp/8/8/8/8/7k/5B2

#5

3 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qf2+
          • 2...Kh1
            • 3.Qg2#
        • 2.Qf3
          • threat
            • 3.Qg2#
          • 2...Kg1
            • 3.Qg2#
      • 1...Kg3
        • 2.Be2
          • threat
            • 3.Qf3+
              • 3...Kh2
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kg1
                    • 5.Qg2#
          • 2...Kg2
            • 3.Qf3+
              • 3...Kg1
                • 4.Qg3+
                  • 4...Kh1
                    • 5.Bf3#
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kh2
                    • 5.Qg2#
              • 3...Kh2
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kg1
                    • 5.Qg2#
          • 2...Kh2
            • 3.Qf3
              • threat
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kg1
                    • 5.Qg2#
              • 3...Kg1
                • 4.Qg3+
                  • 4...Kh1
                    • 5.Bf3#
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kh2
                    • 5.Qg2#
          • 2...Kh3
            • 3.Qf3+
              • 3...Kh2
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kg1
                    • 5.Qg2#
          • 2...h5
            • 3.Qf3+
              • 3...Kh2
                • 4.Bf1
                  • threat
                    • 5.Qg2#
                  • 4...Kg1
                    • 5.Qg2#
              • 3...Kh4
                • 4.Qf4+
                  • 4...Kh3
                    • 5.Bf1#

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).