MESON Chess Problem Database

Problem Display
PID: 234657 (8/b4R2/2K1k2b/5R2/7N/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2007

8/b4R2/2K1k2b/5R2/7N/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6?
      • threat
        • 2.R5f6#
        • 2.R7f6#
      • 1...Bg5
        • 2.Sf8#
      • 1...Bg7
        • 2.Sf4#
      • 1...Bd4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.R5f6#
      • 1...Bg5
        • 2.Sxg5#
      • 1...Bg7
        • 2.Sg5#
      • 1...Bd4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);N_GUARD::S(A)
      • Refutation
        • B(c);
  • Actual
    • S(A);
    • Threat
      • R1(B)
    • Vars
      • B(b);N_GUARD::S(A),XB(b)
      • B(b);N_GUARD::S(A)
      • B(c);N_GUARD::S(A),XB(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).