Problem Display
PID: 133932 (K5B1/Qpp4p/1pp3p1/n1P1RP1r/1b1k1P1R/5p1N/1PP4n/r1N5 w - - 0 1)

Beugelsdijk, Ruud R A

Probleemblad, 1982

K5B1/Qpp4p/1pp3p1/n1P1RP1r/1b1k1P1R/5p1N/1PP4n/r1N5

#3

12 + 13


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Rg5
      • 2.Rxh7
        • threat
          • 3.Rd7#
        • 2...Bxc5
          • 3.c3#
        • 2...Sc4
          • 3.Sb3#
    • 1...Ba3
      • 2.c3#
    • 1...Bxc5
      • 2.c3#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sc4
      • 2.Sb3#
    • 1...f2
      • 2.Se2#
    • 1...bxc5
      • 2.Qxc5+
        • 2...Bxc5
          • 3.c3#
      • 2.c3+
        • 2...Bxc3
          • 3.Qxc5#
  • Tries
    • 1.Sg1?
      • threat
        • 2.Sce2+
          • 2...fxe2
            • 3.Sxe2#
        • 2.Sge2+
          • 2...fxe2
            • 3.Sxe2#
        • 2.Sxf3+
          • 2...Sxf3
            • 3.Se2#
      • 1...Ra3
        • 2.Sce2+
          • 2...fxe2
            • 3.Sxe2#
        • 2.Sge2+
          • 2...fxe2
            • 3.Sxe2#
        • 2.Sxf3+
          • 2...Rxf3
            • 3.Se2#
          • 2...Sxf3
            • 3.Se2#
      • 1...Rxc1!
    • 1.Qxa5?
      • threat
        • 2.Sb3#
      • 1...Ra3
        • 2.Qxa3
          • threat
            • 3.Sb3#
            • 3.Qxb4#
            • 3.Qd3#
            • 3.Qe3#
      • 1...Rxa5+!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sxf3+
          • 2...Sxf3
            • 3.Se2#
      • 1...Rxc1
        • 2.Qb8
          • threat
            • 3.Qd8#
          • 2...Bxc5
            • 3.Re4#
          • 2...Sc4
            • 3.Se6#
      • 1...Rxg5
        • 2.Rxh7
          • threat
            • 3.Rd7#
          • 2...Bxc5
            • 3.c3#
          • 2...Sc4
            • 3.Sb3#
      • 1...Ra3
        • 2.Sxf3+
          • 2...Rxf3
            • 3.Se2#
          • 2...Sxf3
            • 3.Se2#

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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).