MESON Chess Problem Database

Problem Display
PID: 44626 (8/8/6r1/2np2N1/3k2N1/p5P1/5PK1/1nQ5 w - - 0 1)

Mckay, D

British Chess Bulletin, 1911

8/8/6r1/2np2N1/3k2N1/p5P1/5PK1/1nQ5

#2

6 + 6

SOLUTION

  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Qe3#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Sd2
        • 2.Qa1#
      • 1...Sd3
        • 2.Sef3#
      • 1...Se4
        • 2.Sgf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);S_FLIGHT,XS(E)::QAB1(A)
      • S(a);OGATE::QAB(A)
      • S(d);SBLOCK::S(E)
      • S(d);SBLOCK::S(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).