Problem Display
PID: 105395 (6K1/8/6k1/B7/6N1/5B2/4R1N1/8 w - - 0 1)

Poponin, Vladimir Grigorievich

Vpered, 1992

6K1/8/6k1/B7/6N1/5B2/4R1N1/8

#2

6 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Bd8?
      • 1...Kh5
        • 2.Sf4#
      • 1...Kf5!
  • Keys
    • 1.Bd2!
      • 1...Kf5
        • 2.Sh4#
      • 1...Kh5
        • 2.Se5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::B(C)+S(D)


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).