Problem Display
PID: 215696 (8/8/8/2BkN1K1/1P1N1P2/8/8/8 w - - 0 1)

Seitz, Karl

Oesterreichische Lesehalle, 1882

8/8/8/2BkN1K1/1P1N1P2/8/8/8

#2

6 + 1


6490 yacpdb 2020
5454 Near Snap 2023

SOLUTION


  • SOUND
  • Tries
    • 1.Se2?
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6!
  • Keys
    • 1.Sb5!
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Sc7#

This anticipates 183114(1907)

FEATURES


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