Problem Display
PID: 253636 (8/P3P3/4PK2/2qP4/4B3/1ppp1P2/1pk5/1N2RN2 w - - 0 1)

Dowd, Steven B

Problemist Ukraini, 2021

8/P3P3/4PK2/2qP4/4B3/1ppp1P2/1pk5/1N2RN2

#5

10 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Kf5!
      • threat
        • 2.a8S
          • threat
            • 3.Sb6
              • 3...Qxd5+
                • 4.Bxd5
                  • 4...d2
                    • 5.Be4#
            • 3.f4
              • 3...Qxd5+
                • 4.Bxd5
                  • 4...d2
                    • 5.Be4#
              • 3...Qa7
                • 4.Sb6
                  • threat
                    • 5.Se3#
                  • 4...Qxb6
                    • 5.Sa3#
          • 2...Qxd5+
            • 3.Bxd5
              • 3...d2
                • 4.Be4#
          • 2...Qa7
            • 3.Sb6
              • threat
                • 4.Se3#
              • 3...Qxb6
                • 4.Sa3#
      • 1...Qxa7
        • 2.f4
          • threat
            • 3.Bf3
              • threat
                • 4.Bd1+
                  • 4...Kxb1
                    • 5.Bxb3#
                  • 4...Kc1
                    • 5.Bxb3#
          • 2...Qc5
            • 3.Bf3
              • threat
                • 4.Bd1+
                  • 4...Kxb1
                    • 5.Bxb3#
                  • 4...Kc1
                    • 5.Bxb3#
              • 3...Qxd5+
                • 4.Bxd5
                  • 4...d2
                    • 5.Be4#

FEATURES


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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).