Problem Display
PID: 164507 (3B4/8/8/8/2pk4/2N5/2K5/2Q5 w - - 0 1)

Decker, Adolfph L

Source?, 1908

3B4/8/8/8/2pk4/2N5/2K5/2Q5

#2

4 + 2


14986 White-Hume Collection 2017

SOLUTION


  • SOUND
  • Tries
    • 1.Qf1?
      • 1...Ke3
        • 2.Bb6#
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc5!
  • Keys
    • 1.Qh6!
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke5
        • 2.Qf6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::B(D)
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);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).