MESON Chess Problem Database

Problem Display
PID: 60639 (8/Np6/pR6/k2KB3/1R6/8/2B5/8 w - - 0 1)

McIntyre, Donald Glenoe

Cape Times, 1906

8/Np6/pR6/k2KB3/1R6/8/2B5/8

#2

6 + 3

5639 Some Problems For My Friends 1957
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rxa6+?
      • 1...Kxb4
        • 2.Ra4#
      • 1...bxa6
        • 2.Sc6#
      • 1...Kxa6!
  • Keys
    • 1.Sb5!
      • 1...Kxb4
        • 2.Bc3#
      • 1...Kxb6
        • 2.Bc7#
      • 1...axb5
        • 2.R4xb5#

Anticipated by 175746(1899)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XP(b)
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(B)::R1(E)
        • P(c);SBLOCK,XR(E)::S(F)
      • Refutation
        • K(a);P-FLIGHT,XR(E)
  • Actual
    • S(F);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(B)::B(D)
      • K(a);OGATEB,S_FLIGHT,XR(E)::B(D)
      • P(b);OGATE,XS(F)::R1(B),XP(b)
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).