Problem Display
PID: 152925 (1k6/5R2/8/1p2K3/4R3/8/rp5p/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1946

1k6/5R2/8/1p2K3/4R3/8/rp5p/8

#2

3 + 5


15256 TRD Scrapbook 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Kd4?
      • threat
        • 2.Re8#
      • 1...Ka8
        • 2.Re8#
      • 1...Kc8
        • 2.Re8#
      • 1...Ra4+!
    • 1.Kf4?
      • threat
        • 2.Re8#
      • 1...Ka8
        • 2.Re8#
      • 1...Kc8
        • 2.Re8#
      • 1...Ra4!
    • 1.Kd6?
      • threat
        • 2.Re8#
      • 1...Ka8
        • 2.Re8#
      • 1...Kc8
        • 2.Re8#
      • 1...Ra6+!
    • 1.Kf6?
      • threat
        • 2.Re8#
      • 1...Ka8
        • 2.Re8#
      • 1...Kc8
        • 2.Re8#
      • 1...Ra6+!
    • 1.Rd4?
      • threat
        • 2.Rd8#
      • 1...Ka8
        • 2.Rd8#
      • 1...Kc8!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Rg8#
      • 1...Ka8
        • 2.Rg8#
      • 1...Kc8
        • 2.Rg8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R(A)
      • Vars
        • K(e);P-FLIGHT::R(A)
      • Refutation
        • R(a);CHECK
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R(A)
      • Vars
        • K(e);P-FLIGHT::R(A)
      • Refutation
        • R(a);P_PINR(A)
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R(A)
      • Vars
        • K(e);P-FLIGHT::R(A)
      • Refutation
        • R(a);CHECK
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R(A)
      • Vars
        • K(e);P-FLIGHT::R(A)
      • Refutation
        • R(a);CHECK
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(e);P-FLIGHT::R(A)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • K(e);P-FLIGHT::R(A)


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).