Problem Display
PID: 190381 (8/5pK1/7p/4pppP/2B1kP2/8/5Q2/8 w - - 0 1)

Labrinakos, Petros

The Problemist Supplement, 2018

8/5pK1/7p/4pppP/2B1kP2/8/5Q2/8

#5

5 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Kf6!
      • 1...exf4
        • 2.Qd2
          • threat
            • 3.Bd5#
            • 3.Qd3#
          • 2...Kf3
            • 3.Bf1
              • 3...Kg3
                • 4.Qg2+
                  • 4...Kh4
                    • 5.Qh3#
              • 3...Kg4
                • 4.Qg2+
                  • 4...Kh4
                    • 5.Qh3#
                  • 4...Kxh5
                    • 5.Qh3#
              • 3...g4
                • 4.Qe1
                  • 4...g3
                    • 5.Qe2#
      • 1...g4
        • 2.fxe5
          • 2...g3
            • 3.Qd2
              • threat
                • 4.Bd5#
              • 3...Kf3
                • 4.Kxf5
                  • threat
                    • 5.Bd5#
                    • 5.Qe2#
                  • 4...g2
                    • 5.Qf4#
          • 2...f4
            • 3.Ba6
              • 3...Kd5
                • 4.Qd2+
                  • 4...Ke4
                    • 5.Bb7#
                    • 5.Qd3#
                  • 4...Kc5
                    • 5.Qd6#
                  • 4...Kc6
                    • 5.Qd6#
              • 3...f3
                • 4.Qd2
                  • threat
                    • 5.Bb7#
              • 3...g3
                • 4.Qd2
                  • threat
                    • 5.Bb7#
                    • 5.Qd3#
                  • 4...Kf3
                    • 5.Qe2#

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).