Problem Display
PID: 148634 (8/2N3p1/5pp1/p4krn/p3R3/Kn5P/8/1B6 w - - 0 1)

Dawson, Thomas Rayner

Bolton Football and Field, 1913

(First published on Sat Jul 26 1913)

8/2N3p1/5pp1/p4krn/p3R3/Kn5P/8/1B6

#2

5 + 9


15 British Chess Magazine 1914
15256 TRD Scrapbook 2013

SOLUTION


  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Re1#
        • 2.Re2#
        • 2.Re3#
      • 1...Rg1
        • 2.Re1#
      • 1...Rg2
        • 2.Re2#
      • 1...Rg3
        • 2.Re3#
      • 1...Rg4
        • 2.hxg4#
      • 1...Sa1
        • 2.Sd4#
      • 1...Sc1
        • 2.Sd4#
      • 1...Sd2
        • 2.Sd4#
      • 1...Sd4
        • 2.Sxd4#
      • 1...Sc5
        • 2.Sd4#
      • 1...Sg3
        • 2.Sxg7#
      • 1...Sf4
        • 2.Sxg7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • DUALS(3)
    • Vars
      • R(e);::B(A)+R(D)
      • R(e);OGATE::P(C),XR(e)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • S(f);N_GUARD::S(E),XP(i)


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).