MESON Chess Problem Database

Problem Display
PID: 38480 (Bb6/pN1p4/8/r6p/p3R2Q/K4kB1/6pP/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1944

Bb6/pN1p4/8/r6p/p3R2Q/K4kB1/6pP/8

#2

7 + 8

3979 Systematic Terminology 1984
15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Qf4#
    • 1...Bf4
      • 2.Qxf4#
    • 1...d6
      • 2.Qf4#
  • Keys
    • 1.Re1!
      • threat
        • 2.Qe4#
      • 1...Bd6+
        • 2.Sc5#
      • 1...Bxg3
        • 2.Qxg3#
      • 1...Re5
        • 2.Qf4#
      • 1...Bf4
        • 2.Qxf4#
      • 1...d5
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(d);S_CUTB(h)::QAR1(E)
    • B(h);N_GUARD::QAR1(E),XB(h)
    • P(g);S_CUTB(h)::QAR1(E)
  • Actual
    • R(D);
    • Threat
      • QAB1(E)
    • Vars
      • B(h);CHECK,S_CUTP(g)::B(G)+S(F)
      • B(h);OGATE,XB(C)::QAR1(E),XB(h)
      • R(d);S_CUTB(h)::QAR1(E)
      • B(h);N_GUARD::QAR1(E),XB(h)
      • P(g);S_CUTR(d)::QAB(E),XP(e)
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).