Problem Display
PID: 213452 (8/8/P1ppp3/2pQp2B/2ppp3/3k4/K2P4/5N2 w - - 0 1)

Keller, Kurt

Phenix, 2019

8/8/P1ppp3/2pQp2B/2ppp3/3k4/K2P4/5N2

#5

6 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Qb5
          • threat
            • 3.Qb1#
          • 2...Kc2
            • 3.Qxc4#
            • 3.Qb1#
      • 1...c3
        • 2.Kb3
          • threat
            • 3.Qb5+
              • 3...c4+
                • 4.Qxc4#
          • 2...e3
            • 3.Bf3
              • threat
                • 4.Qe4#
              • 3...d5
                • 4.Qxc5
                  • threat
                    • 5.Qb5#
          • 2...d5
            • 3.Qxc5
              • threat
                • 4.Qb5#
              • 3...e3
                • 4.Bf3
                  • threat
                    • 5.Qb5#
      • 1...e3
        • 2.Qg2
          • threat
            • 3.Bg6+
              • 3...e4
                • 4.Bxe4#
            • 3.Kb1
              • threat
                • 4.Be2#
              • 3...exd2
                • 4.Qf3#
              • 3...e2
                • 4.Bxe2#
                • 4.Qf3#
                • 4.Qxe2#
          • 2...c3
            • 3.Be2+
              • 3...Kc2
                • 4.Qb7
                  • threat
                    • 5.Qb1#
                  • 4...Kc1
                    • 5.Qb1#
                  • 4...cxd2
                    • 5.Qb2#

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).