MESON Chess Problem Database

Problem Display
PID: 198423 (8/2Qp2pK/3p1B1n/7k/8/8/5N2/4b3 w - - 0 1)

Coufal, Miroslav

Sachova skladba, 1997

8/2Qp2pK/3p1B1n/7k/8/8/5N2/4b3

#2

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qh2#
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qg5#
      • 1...gxf6
        • 2.Qxh6#
      • 1...g5
        • 2.Qxg5#
      • 1...Bd2
        • 2.Qh1#
      • 1...Sf7
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::QAR(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • P(f);N_GUARD,XB(B)::QAR1(C),XS(d)
      • P(f);::QAR1(C),XP(f)
      • B(a);OGATE::QAR(C)
      • S(d);N_GUARD::QAB(C)
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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).