MESON Chess Problem Database

Problem Display
PID: 184185 (3b4/2p5/8/8/8/8/4RRP1/4K2k w - - 0 1)

Lincoln, Robert A

Problem Observer, 2016

3b4/2p5/8/8/8/8/4RRP1/4K2k

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.g4?
      • threat
        • 2.Rf1#
      • 1...Kg1
        • 2.Rf1#
      • 1...Bh4!
  • Keys
    • 1.g3!
      • threat
        • 2.Rf1#
      • 1...Kg1
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R1(C)
      • Refutation
        • B(c);P_PINR(C)
  • Actual
    • P(D);
    • Threat
      • R(C)
    • Vars
      • K(a);P-FLIGHT::R1(C)
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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).