Problem Display
PID: 207137 (3k4/2q4R/1BP5/8/4N3/8/8/4K3 w - - 0 1)

Huggins, Colonel AZ

New York Clipper, 1867

3k4/2q4R/1BP5/8/4N3/8/8/4K3

#2

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Bxc7+?
      • 1...Kc8
        • 2.Sd6#
      • 1...Ke8!
  • Keys
    • 1.Sd6!
      • 1...Qxb6
        • 2.Rd7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK,XQ(a)
      • Vars
        • K(b);P-FLIGHT::S(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • Q(a);N_SPINQ(a),XB(C)::R1(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).