Problem Display
PID: 182233 (2RKQbk1/8/8/8/8/8/8/8 w - - 0 1)

Spencer, George Burt

St. Paul's Dispatch, 1906

2RKQbk1/8/8/8/8/8/8/8

#2

3 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qg6+?
      • 1...Bg7
        • 2.Kc7#
        • 2.Kd7#
        • 2.Ke7#
      • 1...Kh8!
  • Keys
    • 1.Rc7!
      • 1...Kh8
        • 2.Qxf8#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK,N_PINB(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(b);P-FLIGHT::QAR2(C),XB(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).