MESON Chess Problem Database

Problem Display
PID: 80114 (K6R/2p5/8/4np2/2N1kNp1/3pnpP1/1B1P4/R6Q w - - 0 1)

le Grand, Piet

Probleemblad, 2008

K6R/2p5/8/4np2/2N1kNp1/3pnpP1/1B1P4/R6Q

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Sd6#
  • Keys
    • 1.Ra4!
      • threat
        • 2.Sd6#
      • 1...S3xc4
        • 2.Qe1#
      • 1...S5xc4
        • 2.Re8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(h);N_GUARD::S(F)
  • Actual
    • R(A);
    • Threat
      • R(A)+S(F),DCHECK
    • Vars
      • S(b);OGATEB,P_SPINS(b),XS(F)::QAR(B)
      • S(f);OGATEB,P_SPINS(f),XS(F)::R(I)
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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).