Problem Display
PID: 261850 (K7/8/1pQ1pp2/1p2k3/1p2p2p/1P2B2P/8/8 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

The Problemist Supplement, 2022

K7/8/1pQ1pp2/1p2k3/1p2p2p/1P2B2P/8/8

#4

5 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Qe8!
      • 1...Kd5
        • 2.Qd7+
          • 2...Ke5
            • 3.Qd1
              • 3...Kf5
                • 4.Qh5#
              • 3...f5
                • 4.Qd4#
      • 1...Kd6
        • 2.Kb7
          • 2...Kd5
            • 3.Kc7
              • threat
                • 4.Qxb5#
              • 3...Ke5
                • 4.Qxb5#
              • 3...e5
                • 4.Qc6#
                • 4.Qd7#
                • 4.Qf7#
                • 4.Qg8#
          • 2...Ke5
            • 3.Kc6
              • 3...Kf5
                • 4.Qh5#
              • 3...f5
                • 4.Qh8#
          • 2...e5
            • 3.Kc8
              • threat
                • 4.Qd7#
              • 3...Kd5
                • 4.Qd7#
          • 2...f5
            • 3.Qd8+
              • 3...Ke5
                • 4.Qd4#
      • 1...f5
        • 2.Qd8
          • 2...f4
            • 3.Bd4+
              • 3...Kf5
                • 4.Qf6#

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).