Problem Display
PID: 9234 (8/8/8/8/8/3K2n1/pk6/6Q1 w - - 0 1)

Tkachenko, Sergiy Ivanovich

The Problemist, 2000

8/8/8/8/8/3K2n1/pk6/6Q1

#4

2 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qb6+!
      • 1...Kc1
        • 2.Qb3
          • threat
            • 3.Qc2#
          • 2...a1S
            • 3.Qa2
              • threat
                • 4.Qxa1#
              • 3...Kd1
                • 4.Qb1#
                • 4.Qxa1#
                • 4.Qd2#
              • 3...Sc2
                • 4.Qxc2#
              • 3...Sb3
                • 4.Qc2#
      • 1...Ka3
        • 2.Kc4
          • threat
            • 3.Qb3#
            • 3.Qb4#
          • 2...a1S
            • 3.Qb1
              • threat
                • 4.Qxa1#
              • 3...Ka4
                • 4.Qa2#
                • 4.Qxa1#
                • 4.Qb4#
              • 3...Sc2
                • 4.Qb3#
              • 3...Sb3
                • 4.Qxb3#

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).