Problem Display
PID: 151343 (4k3/4p3/2r3RK/3R1pNp/B6Q/1p2r3/8/2q5 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1934

4k3/4p3/2r3RK/3R1pNp/B6Q/1p2r3/8/2q5

#2

6 + 8


15256 TRD Scrapbook 2014

SOLUTION


  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rd8#
  • Tries
    • 1.Bxc6+?
      • 1...Kf8
        • 2.Rxf5#
        • 2.Rd8#
      • 1...Qxc6!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qb8#
      • 1...Kf8
        • 2.Rd8#
      • 1...e5
        • 2.Re6#
      • 1...e6
        • 2.Rg8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(h);N_SPINR(f),P-FLIGHT::R(C)
  • Tries
    • Try
      • B(A);CHECK,N_SPINR(E),XR(f)
      • Refutation
        • Q(a);P_PINR(E),XB(A)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • K(h);N_SPINR(f),P-FLIGHT,P_SPINP(g)::R(C)
      • P(g);::R(E)
      • P(g);N_PINR(E)::R(E)


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).