Problem Display
PID: 149808 (k7/N7/R7/K7/n7/r7/n7/Q7 w - - 0 1)

Brown, LT

Hartford Times, 1880

k7/N7/R7/K7/n7/r7/n7/Q7

#2

4 + 4


15148 Sadier Collection 2014

SOLUTION


  • SOUND
  • Keys
    • 1.Qh8+!
      • 1...Kb7
        • 2.Qc8#

FEATURES


  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);CHECK
    • Vars
      • K(d);S_FLIGHT::QAB1(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).