Problem Display
PID: 266997 (r2k3r/5p1P/NP1P1R2/2R1Np1b/8/B7/8/4K3 w - - 0 1)

Shpakovsky, Aleksandr Nikolaevich

64 Shakhmatnoe obozrenie, 2022

r2k3r/5p1P/NP1P1R2/2R1Np1b/8/B7/8/4K3

#3

9 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Rg8
      • 2.hxg8Q#
      • 2.hxg8R#
  • Tries
    • 1.b7?
      • threat
        • 2.bxa8Q#
        • 2.bxa8R#
      • 1...Rb8
        • 2.Sxb8
          • threat
            • 3.Rc8#
          • 2...Ke8
            • 3.Rc8#
      • 1...Bf3!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Sc6+
          • 2...Ke8
            • 3.d7#
      • 1...Ke8
        • 2.d7+
          • 2...Kd8
            • 3.Sc6#
      • 1...Re8
        • 2.Rd7+
          • 2...Kc8
            • 3.b7#
      • 1...Rf8
        • 2.Sc6+
          • 2...Ke8
            • 3.Re7#
            • 3.d7#
        • 2.Rd7+
          • 2...Kc8
            • 3.b7#
          • 2...Ke8
            • 3.Sc7#
      • 1...Bf3
        • 2.Sxf7+
          • 2...Ke8
            • 3.d7#

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).