MESON Chess Problem Database

Problem Display
PID: 223076 (8/8/4p3/1B2p2N/2N1k3/8/8/1K1Q4 w - - 0 1)

Fiala, Karel

L'Universe Illustre, 1885

8/8/4p3/1B2p2N/2N1k3/8/8/1K1Q4

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kf4
        • 2.Qg4#
      • 1...Kf5!
  • Keys
    • 1.Qg1!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd5
        • 2.Sf6#
      • 1...Kf5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::S(E)
HTML5 logo

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).