Problem Display
PID: 208708 (8/3pQ3/8/8/p2k2K1/8/B7/8 w - - 0 1)

Karin, Aleksey

Zadachi i Etyudi, 2019

8/3pQ3/8/8/p2k2K1/8/B7/8

#4

3 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qa3!
      • threat
        • 2.Kf4
          • threat
            • 3.Qe3#
      • 1...Ke4
        • 2.Qd6
          • threat
            • 3.Bc4
              • threat
                • 4.Qf4#
              • 3...Ke3
                • 4.Qf4#
          • 2...Ke3
            • 3.Bc4
              • threat
                • 4.Qf4#
              • 3...Kf2
                • 4.Qg3#
              • 3...Ke4
                • 4.Qf4#
      • 1...Ke5
        • 2.Qc5+
          • 2...d5
            • 3.Qxd5+
              • 3...Kf6
                • 4.Qg5#
      • 1...d5
        • 2.Kf3
          • 2...Ke5
            • 3.Qe7+
              • 3...Kd4
                • 4.Qe3#
              • 3...Kf5
                • 4.Bb1#

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).