Problem Display
PID: 261438 (Bb1R3B/4pK1p/ppNN1p2/r2k2pn/P1p3p1/6P1/bnP1P3/4R3 w - - 0 1)

Kuzovkov, Aleksandr S

1/2 Prize, Kubbel (Leonid)-130 MT, 2021

Bb1R3B/4pK1p/ppNN1p2/r2k2pn/P1p3p1/6P1/bnP1P3/4R3

#4

11 + 14


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.c3!
      • threat
        • 2.Sd4+
          • 2...Ke5
            • 3.Sf3+
              • 3...gxf3
                • 4.exf3#
      • 1...Bxd6
        • 2.Sb8+
          • 2...Ke5
            • 3.Sd7+
              • 3...Kf5
                • 4.e4#
      • 1...Sxg3
        • 2.Sxe7+
          • 2...Ke5
            • 3.Bxf6+
              • 3...Kf4
                • 4.e3#
      • 1...Bb1
        • 2.Sb4+
          • 2...Ke5
            • 3.Sd3+
              • 3...Bxd3
                • 4.exd3#
              • 3...Sxd3
                • 4.exd3#
              • 3...cxd3
                • 4.exd3#
      • 1...b5
        • 2.Sd4+
          • 2...Kc5
            • 3.Se6+
              • 3...Kb6
                • 4.Sc8#
          • 2...Ke5
            • 3.Sf3+
              • 3...gxf3
                • 4.exf3#

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).