MESON Chess Problem Database

Problem Display
PID: 11275 (4r3/4r3/8/8/8/8/R6R/3N1k1K w - - 0 1)

Sokolov, LI

Shakhmaty v SSSR, 1937

4r3/4r3/8/8/8/8/R6R/3N1k1K

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Raf2#
      • 2.Rhf2#
  • Tries
    • 1.Se3+?
      • 1...Ke1
        • 2.Ra1#
        • 2.Rae2#
        • 2.Rhe2#
      • 1...Rxe3!
  • Keys
    • 1.Ra1!
      • threat
        • 2.Se3#
      • 1...Ke1
        • 2.Sb2#
        • 2.Sc3#
        • 2.Se3#
      • 1...Re1
        • 2.Rf2#
      • 1...Re3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • R(b);XS(A)
  • Actual
    • R(C);
    • Threat
      • R(C)+S(A),DCHECK
    • Vars
      • R(b);SBLOCK::R1(D)
      • R(b);::R(C)+S(A),DCHECK,XR(b)
HTML5 logo

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).