MESON Chess Problem Database

Problem Display
PID: 183510 (5Rb1/5n2/4r2p/4nN1K/3N1k2/1Q1P4/8/8 w - - 0 1)

Beszczynski, Jan

Bulletin Ouvrier des Echecs, 1955

5Rb1/5n2/4r2p/4nN1K/3N1k2/1Q1P4/8/8

#2

6 + 6

SOLUTION

  • SOUND
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qe4#
      • 1...Sxd3
        • 2.Sxe6#
      • 1...Sf3
        • 2.Sxe6#
      • 1...Sc4
        • 2.Sxe6#
      • 1...Sg4
        • 2.Sxe6#
      • 1...Sc6
        • 2.Sxe6#
      • 1...Sg6
        • 2.Sxe6#
      • 1...Sd7
        • 2.Sxe6#
      • 1...Sg5
        • 2.Se2#
      • 1...Sd6
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • S(b);XP(B)::S(C),XR(c)
      • S(b);::S(C),XR(c)
      • S(e);::S(C)
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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).