MESON Chess Problem Database

Problem Display
PID: 1954 (1n6/Np1p4/5K2/3k4/1Q6/8/8/8 w - - 0 1)

Loyd, Sam

New York Musical World, 1859

1n6/Np1p4/5K2/3k4/1Q6/8/8/8

#2

3 + 4

1679 American Chess Nuts 1868
3757 Schachminiaturen I 1902
5206 Sam Loyd and His Chess Problems 1913
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kd6
        • 2.Sb5#
        • 2.Sc8#
      • 1...Kxc4!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Se7#
      • 1...Kc6
        • 2.Qc4#
      • 1...Sc6
        • 2.Sb6#

This anticipates 172393(1997)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • S(d);SBLOCK::S(C)
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).