Problem Display
PID: 4755 (8/8/8/5Q2/N2P1P2/1p1K4/1p6/1k6 w - - 0 1)

Baird, Lilian Edith

East Central Times, 1890

(First published on Sat Oct 11 1890)

8/8/8/5Q2/N2P1P2/1p1K4/1p6/1k6

#2

5 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Ka1
        • 2.Qa5#
      • 1...Kc1!
  • Keys
    • 1.Qa5!
      • 1...Ka1
        • 2.Sc3#
      • 1...Kc1
        • 2.Qe1#
      • 1...Ka2
        • 2.Sc3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);P-FLIGHT::QAR(E)+S(B)
      • K(a);P-FLIGHT::QAR2(E)
      • K(a);S_FLIGHT::QAR(E)+S(B),DCHECK


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).