Problem Display
PID: 266013 (8/4K2n/8/8/1pBk4/8/3N2Q1/8 w - - 0 1)

Piliczewski, Bogusz

Szypulski, Andrzej

StrateGems, 2022

8/4K2n/8/8/1pBk4/8/3N2Q1/8

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sb3+
          • 2...Kc3
            • 3.Qd2#
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke3
            • 3.Qf3#
            • 3.Qd2#
          • 2...Ke5
            • 3.Qe4#
      • 1...Ke3
        • 2.Sf1+
          • 2...Kd4
            • 3.Kd6
              • threat
                • 4.Qd2#
              • 3...Kc3
                • 4.Qd2#
              • 3...Kd3
                • 4.Qd2#
          • 2...Kf4
            • 3.Qg3+
              • 3...Kf5
                • 4.Se3#
      • 1...Kc5
        • 2.Sb3+
          • 2...Kb5
            • 3.Qa2
              • threat
                • 4.Qa5#
              • 3...Kb6
                • 4.Qa5#
          • 2...Kb6
            • 3.Ba8
              • threat
                • 4.Qb7#
              • 3...Kb5
                • 4.Qc6#
              • 3...Ka6
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc7
                • 4.Qb7#

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).