Problem Display
PID: 205520 (8/8/2K5/2B5/2kp4/R7/2N5/8 w - - 0 1)

Larsen, Karl Adolf Koefoed

L'Echiquier Marseillais, 1925

8/8/2K5/2B5/2kp4/R7/2N5/8

#2

4 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...d3
      • 2.Se3#
  • Tries
    • 1.Kb6?
      • 1...d3
        • 2.Se3#
      • 1...Kd5!
  • Keys
    • 1.Bb4!
      • 1...d3
        • 2.Rc3#

FEATURES


  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::S(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(b);N_GUARD::S(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • P(b);N_GUARD::R1(B)


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).