Problem Display
PID: 110213 (8/1K1kBR1N/8/2R5/8/8/8/8 w - - 0 1)

Labai, Zoltan

Hlas l'udu, 1989

8/1K1kBR1N/8/2R5/8/8/8/8

#2

5 + 1


3713 Snap 2009
6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Bf8+?
      • 1...Ke6
        • 2.Sg5#
      • 1...Kd8
        • 2.Rc8#
      • 1...Ke8!
    • 1.Rcf5?
      • 1...Ke6
        • 2.Sf8#
      • 1...Ke8!
    • 1.Rc7+?
      • 1...Ke8
        • 2.Rf8#
      • 1...Ke6!
  • Keys
    • 1.Rg7!
      • 1...Ke6
        • 2.Sf8#
      • 1...Ke8
        • 2.Sf6#

Anticipated by 107850(1889)

This anticipates 171081(1998)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::S(E)


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).