Problem Display
PID: 119918 (8/8/5p2/4PB2/1B1k4/4NK2/4p3/4N3 w - - 0 1)

Cumpe, Josef

Sachove listy, 1911

8/8/5p2/4PB2/1B1k4/4NK2/4p3/4N3

#2

6 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...fxe5
      • 2.S1c2#
  • Tries
    • 1.Kg4?
      • 1...Kxe5
        • 2.Sf3#
      • 1...fxe5
        • 2.S1c2#
      • 1...Kxe3!
  • Keys
    • 1.Kg3!
      • 1...Kxe3
        • 2.Sc2#
      • 1...Kxe5
        • 2.Sf3#
      • 1...fxe5
        • 2.S1c2#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK,XP(E)::S(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT,XP(E)::S(A)
        • P(c);SBLOCK,XP(E)::S(A)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT,XS(B)::S(A)
      • K(b);S_FLIGHT,XP(E)::S(A)
      • P(c);SBLOCK,XP(E)::S(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).