Problem Display
PID: 250373 (8/4pQ2/1K6/N3k3/6P1/B7/8/8 w - - 0 1)

Harding, WT

Manchester Evening News, 1924

(First published on Sat Feb 2 1924)

8/4pQ2/1K6/N3k3/6P1/B7/8/8

#2

5 + 2


15239 Valois Notebooks 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Bc5?
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Qf5#
      • 1...e6!
  • Keys
    • 1.Qf3!
      • 1...Kd4
        • 2.Bb2#
      • 1...Ke6
        • 2.Qf5#
      • 1...e6
        • 2.Sc6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::B(A)
      • K(a);N_GUARD,P-FLIGHT::QAB1(E)
      • P(b);SBLOCK::S(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).