MESON Chess Problem Database

Problem Display
PID: 120086 (5k2/5Pn1/3p2P1/6Q1/1K2N3/8/8/8 w - - 0 1)

Nejedlo, Vaclav

Ruch, 1947

5k2/5Pn1/3p2P1/6Q1/1K2N3/8/8/8

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sd7#
      • 1...dxc5+
        • 2.Qxc5#
      • 1...Sf5
        • 2.Se6#
      • 1...Sh5
        • 2.Se6#
      • 1...Se6
        • 2.Sxe6#
      • 1...Se8
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • P(a);CHECK,OGATE,XS(B)::QAB(C),XP(a)
      • S(b);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
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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).