MESON Chess Problem Database

Problem Display
PID: 9655 (8/8/6B1/8/2k2K2/Q3P3/8/7R w - - 0 1)

Loyd, Sam

St. Louis Globe Democrat, 1907

8/8/6B1/8/2k2K2/Q3P3/8/7R

#2

5 + 1

5206 Sam Loyd and His Chess Problems 1913
785 Het Belgisch Schaakbord (L'Echiquier Belge) 1947
3310 2345 Chess Problems 1997
2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2009
136 Problem Observer 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Rc1+?
      • 1...Kd5
        • 2.Bf7#
      • 1...Kb5!
  • Keys
    • 1.Rh6!
      • 1...Kb5
        • 2.Bd3#
      • 1...Kd5
        • 2.Bf7#

Anticipated by 24876(0000), 220218(1885)

This anticipates 183219(1907), 130181(1911), 84201(1989), 34937(1990-1991), 134754(1999)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);S_FLIGHT::B(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).