Problem Display
PID: 258646 (K7/Q3N3/3pP1p1/p2P4/P3k3/1P1N4/4P3/7n w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

64 Shakhmatnoe obozrenie, 2022

K7/Q3N3/3pP1p1/p2P4/P3k3/1P1N4/4P3/7n

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Sg8!
      • 1...Kxd5
        • 2.Qe3
          • threat
            • 3.Se7#
          • 2...Kc6
            • 3.Kb8
              • threat
                • 4.Se7#
              • 3...Kd5
                • 4.Se7#
              • 3...d5
                • 4.Qc5#
      • 1...Kf5
        • 2.Qd4
          • threat
            • 3.Qf4#
          • 2...Kg5
            • 3.Qf4+
              • 3...Kh5
                • 4.Sf6#
      • 1...Sg3
        • 2.Sf6+
          • 2...Kf5
            • 3.Qf2+
              • 3...Kg5
                • 4.Qf4#
      • 1...Sf2
        • 2.Sf6+
          • 2...Kf5
            • 3.Qxf2+
              • 3...Kg5
                • 4.Qf4#
      • 1...g5
        • 2.Sf6+
          • 2...Kf5
            • 3.Qh7+
              • 3...Kxf6
                • 4.Qf7#

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).