MESON Chess Problem Database

Problem Display
PID: 234462 (k1K5/p7/R7/P7/R7/n7/8/8 w - - 0 1)

Lincoln, Robert A

ChessStar, 2013

k1K5/p7/R7/P7/R7/n7/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Rb6!
      • threat
        • 2.Rb8#
      • 1...axb6
        • 2.axb6#
      • 1...a6
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);N_PINP(b)
    • Threat
      • R1(C)
    • Vars
      • P(b);OGATE,XR(C)::R(A)+P(B),XP(b)
      • P(b);OGATEB::R(C),XP(b)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).