MESON Chess Problem Database

Problem Display
PID: 87444 (8/p7/kBK5/8/8/8/1N1R4/n7 w - - 0 1)

Bielczykow, N

Problemista, 1972

8/p7/kBK5/8/8/8/1N1R4/n7

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sb4#
        • 2.Sc5#
        • 2.Ra2#
      • 1...axb6
        • 2.Ra2#
      • 1...Sc2
        • 2.Sc5#
      • 1...Sb3
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(A);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);XB(C)::R(B)
      • S(a);::S(A)
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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).