Problem Display
PID: 226777 (8/8/8/2PPP3/2PQP1B1/2PPP1B1/1p1k4/1K6 w - - 0 1)

Keller, Kurt

The Problemist, 2020

8/8/8/2PPP3/2PQP1B1/2PPP1B1/1p1k4/1K6

#5

12 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Bh2!
      • 1...Ke1
        • 2.c6
          • 2...Kf1
            • 3.Qb6
              • threat
                • 4.Qxb2
                  • 4...Ke1
                    • 5.Qe2#
              • 3...Ke1
                • 4.Qxb2
                  • 4...Kf1
                    • 5.Qe2#
              • 3...Kf2
                • 4.Qxb2+
                  • 4...Ke1
                    • 5.Qe2#
                  • 4...Kf1
                    • 5.Qe2#
                  • 4...Kxe3
                    • 5.Qe2#
              • 3...Kg2
                • 4.Qxb2+
                  • 4...Kf1
                    • 5.Qe2#
                  • 4...Kh1
                    • 5.Bf3#
          • 2...Kd2
            • 3.Qb6
              • 3...Ke1
                • 4.Qxb2
                  • 4...Kf1
                    • 5.Qe2#
              • 3...Kxc3
                • 4.Qxb2+
                  • 4...Kxd3
                    • 5.Qd4#
          • 2...Kf2
            • 3.Qb6
              • threat
                • 4.Qxb2+
                  • 4...Ke1
                    • 5.Qe2#
                  • 4...Kf1
                    • 5.Qe2#
                  • 4...Kxe3
                    • 5.Qe2#
              • 3...Ke1
                • 4.Qxb2
                  • 4...Kf1
                    • 5.Qe2#
              • 3...Kf1
                • 4.Qxb2
                  • 4...Ke1
                    • 5.Qe2#
              • 3...Kg2
                • 4.Qxb2+
                  • 4...Kf1
                    • 5.Qe2#
                  • 4...Kh1
                    • 5.Bf3#

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).