Problem Display
PID: 275567 (3K4/B6p/n1p2pP1/2P1krpQ/1pp2NR1/2P1b1P1/1R4BP/nN6 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Chernyavsky, Mykola Vasilovich

Problemist Ukraini, 2023

3K4/B6p/n1p2pP1/2P1krpQ/1pp2NR1/2P1b1P1/1R4BP/nN6

#4

13 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Ke7!
      • threat
        • 2.Sd3+
          • 2...cxd3
            • 3.Re4+
              • 3...Kd5
                • 4.c4#
      • 1...Bxc5+
        • 2.Bxc5
          • threat
            • 3.Bd4#
            • 3.Bd6#
            • 3.Re2#
          • 2...Rxf4
            • 3.Bd6+
              • 3...Kf5
                • 4.Rxf4#
          • 2...Sxc5
            • 3.Re2+
              • 3...Se4
                • 4.Rxe4#
      • 1...Rxf4
        • 2.Rxg5+
          • 2...fxg5
            • 3.Qxg5+
              • 3...Rf5
                • 4.Qxe3#
          • 2...f5
            • 3.gxf4+
              • 3...Kxf4
                • 4.Rxf5#
              • 3...Bxf4
                • 4.Rxf5#
      • 1...bxc3
        • 2.Sd3+
          • 2...cxd3
            • 3.Re4+
              • 3...Kd5
                • 4.Sxc3#
      • 1...gxf4
        • 2.gxf4+
          • 2...Bxf4
            • 3.Re2+
              • 3...Be3
                • 4.Rxe3#

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).