MESON Chess Problem Database

Problem Display
PID: 164844 (8/5p2/1R6/8/K7/6Bk/7P/1Q6 w - - 0 1)

Lincoln, Robert A

StrateGems, 2015

8/5p2/1R6/8/K7/6Bk/7P/1Q6

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...Kg4!
  • Keys
    • 1.Rf6!
      • 1...Kg2
        • 2.Qf1#
      • 1...Kg4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Threat
        • QAB(A)
      • Vars
        • P(b);::QAB(A),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
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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).