MESON Chess Problem Database

Problem Display
PID: 4572 (8/8/6k1/7R/5K2/5Q2/8/8 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Dubuque Chess Journal, 1880

8/8/6k1/7R/5K2/5Q2/8/8

#2

3 + 1

119 Tidskrift for Schack 1909
4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3713 Snap 2005
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rh7?
      • 1...Kf6
        • 2.Qc6#
      • 1...Kxh7!
  • Keys
    • 1.Qb7!
      • 1...Kxh5
        • 2.Qh7#
      • 1...Kf6
        • 2.Rh6#

This anticipates 56205(1903), 198642(1921), 162851(2003)

There are these versions: 121069

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(A)
      • K(a);P-FLIGHT::R(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).