MESON Chess Problem Database

Problem Display
PID: 16657 (8/5R2/3p4/3k4/3P4/1R2KN1B/8/8 w - - 0 1)

Downer, GR

Chess, 1942

8/5R2/3p4/3k4/3P4/1R2KN1B/8/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bc8?
      • 1...Kc6
        • 2.Bb7#
      • 1...Kc4!
  • Keys
    • 1.Bg2!
      • 1...Kc4
        • 2.Sd2#
      • 1...Kc6
        • 2.Se5#
      • 1...Ke6
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::B(D)+S(C),DCHECK
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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).