MESON Chess Problem Database

Problem Display
PID: 184730 (1q3Q2/2B5/8/3p4/3k4/3Bp3/NnP5/5N1K w - - 0 1)

Grossl, Frantisek

Pravo lidu, 1908

1q3Q2/2B5/8/3p4/3k4/3Bp3/NnP5/5N1K

#2

7 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qf2#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf3#
      • 1...Qxf8
        • 2.Sb3#
      • 1...Sxd3
        • 2.c3#
      • 1...exd2
        • 2.Qf2#
      • 1...e2
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(G)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • Q(e);N_GUARD,XQ(G)::S(A)
      • S(a);SBLOCK,XB(E)::P(D)
      • P(b);OGATEB,XS(A)::QAB(G)
      • P(b);OGATEB::QAB(G)
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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).