MESON Chess Problem Database

Problem Display
PID: 175036 (5bRB/4p3/1KBk1p2/5P2/5P2/8/8/8 w - - 0 1)

Dyar, Charles B

Boston Sunday Post, 1901

5bRB/4p3/1KBk1p2/5P2/5P2/8/8/8

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh6
      • 2.Rd8#
    • 1...Bg7
      • 2.Rd8#
  • Tries
    • 1.Rg7?
      • 1...e5
        • 2.Rd7#
      • 1...e6
        • 2.Rd7#
      • 1...Bxg7!
  • Keys
    • 1.Bg7!
      • 1...Bxg7
        • 2.Rd8#
      • 1...e5
        • 2.Bxf8#
      • 1...e6
        • 2.Bxf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(d);OGATE::R(E)
  • Tries
    • Try
      • R(E);
      • Vars
        • P(c);OGATE::R1(E)
      • Refutation
        • B(d);XR(E)
  • Actual
    • B(F);
    • Vars
      • B(d);OGATE,XB(F)::R(E)
      • P(c);OGATEB::B(F),XB(d)
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).