Problem Display
PID: 78317 (8/7B/8/B7/K7/8/pk6/7R w - - 0 1)

Agnel, Hyacinth R

Dubuque Chess Journal, 1871

8/7B/8/B7/K7/8/pk6/7R

#2

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Rh2+?
      • 1...Ka1
        • 2.Bc3#
      • 1...Kc1!
  • Keys
    • 1.Ra1!
      • 1...Kxa1
        • 2.Bc3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(b);S_FLIGHT,XR(A)::B(C)


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).