MESON Chess Problem Database

Problem Display
PID: 253369 (2nQqNb1/P1pprp1n/1pp2k1P/4R1pP/4K1pB/3P2Pp/8/8 w - g5 0 1)

Dawson, Thomas Rayner

Western Morning News, 1921

(First published on Sat Apr 16 1921)

2nQqNb1/P1pprp1n/1pp2k1P/4R1pP/4K1pB/3P2Pp/8/8

#2

10 + 14

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf8
      • 2.Bxg5#
  • Keys
    • 1.hxg5 ep+!
      • 1...Sg5+
        • 2.Bxg5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(k);N_GUARD,XS(J)::B(D),XP(c)
  • Actual
    • P(F);CHECK,EP,XP(c)
    • Vars
      • S(k);CHECK,N_GUARD,P_SPINS(k)::B(D),XS(k)
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).