Problem Display
PID: 149036 (8/2B2p2/2p2P1p/2k3nR/2P5/1pK2p2/1PB2P2/8 w - - 0 1)

Dawson, Thomas Rayner

Reading Observer, 1918

(First published on Sat Dec 21 1918)

8/2B2p2/2p2P1p/2k3nR/2P5/1pK2p2/1PB2P2/8

#2

8 + 7


15256 TRD Scrapbook 2013

SOLUTION


  • SOUND
  • Sets
    • 1...bxc2
      • 2.b4#
  • Keys
    • 1.Bf5!
      • 1...Se4+
        • 2.Bxe4#
      • 1...Sh3
        • 2.Bxh3#
      • 1...Se6
        • 2.Bxe6#
      • 1...Sh7
        • 2.Bxh7#

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE,XB(B)::P(A)
  • Actual
    • B(B);N_PINS(d)
    • Vars
      • S(d);CHECK,OGATEB::R(F)+B(B),XS(d)
      • S(d);OGATEB::R(F)+B(B),XS(d)


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).