MESON Chess Problem Database

Problem Display
PID: 119553 (1K2b3/1N5Q/5p2/4k3/3p1p2/1B1p4/8/8 w - - 0 1)

Kos, Vladimir

Ruch, 1948

1K2b3/1N5Q/5p2/4k3/3p1p2/1B1p4/8/8

#2

4 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe7#
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qe7#
      • 1...Kxd6
        • 2.Qc7#
      • 1...f3
        • 2.Qh2#
      • 1...Bd7
        • 2.Sf7#
      • 1...Bf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(e);SBLOCK::QAR2(C)
  • Actual
    • S(B);
    • Threat
      • QAR2(C)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(B)::QAB1(C)
      • P(c);OGATEB::QAB(C)
      • B(f);N_GUARD::S(B)
      • B(f);N_GUARD::S(B),XB(f)
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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).