MESON Chess Problem Database

Problem Display
PID: 175282 (6Bn/4n2b/5Pkp/4B1p1/8/5Q1K/8/8 w - - 0 1)

Coppens, JP

Brisbane Courier, 1921

6Bn/4n2b/5Pkp/4B1p1/8/5Q1K/8/8

#2

5 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g4+
      • 2.Qxg4#
  • Tries
    • 1.fxe7?
      • 1...g4+
        • 2.Qxg4#
      • 1...h5
        • 2.Qf6#
      • 1...Sf7
        • 2.Bxf7#
        • 2.Qxf7#
      • 1...Bxg8!
  • Keys
    • 1.f7!
      • threat
        • 2.f8S#
      • 1...g4+
        • 2.Qxg4#
      • 1...Sxf7
        • 2.Bxf7#
        • 2.Qxf7#
      • 1...h5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);CHECK,OGATEB::QAR2(A),XP(a)
  • Tries
    • Try
      • P(D);XS(d)
      • Vars
        • P(a);CHECK,OGATEB::QAR2(A),XP(a)
        • P(c);SBLOCK::QAR1(A)
      • Refutation
        • B(e);XB(E)
  • Actual
    • P(D);
    • Threat
      • P=S
    • Vars
      • P(a);CHECK,OGATEB::QAR2(A),XP(a)
      • P(c);SBLOCK::QAR1(A)
HTML5 logo

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).