MESON Chess Problem Database

Problem Display
PID: 646 (7R/8/8/8/1Qp1p3/1pb1B2K/1qbPP3/7k w - - 0 1)

Pirnie, Duncan

British Chess Magazine, 1917

7R/8/8/8/1Qp1p3/1pb1B2K/1qbPP3/7k

#2

6 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.d4!
      • threat
        • 2.Kg3#
      • 1...Bxd4
        • 2.Qe1#
      • 1...cxd4 ep
        • 2.Qxe4#
      • 1...exd4 ep
        • 2.Qb7#
      • 1...Be1
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(A);
    • Threat
      • R(F)+K(D)
    • Vars
      • B(e);OGATE,XP(A)::QAR(E)
      • P(f);EP,OGATE,XP(A)::QAB(E),XP(g)
      • P(g);EP,OGATEB,XP(A)::QAB(E)
      • B(e);OGATE::QAR(E),XB(e)
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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).