Problem Display
PID: 196828 (8/5B2/5k1N/5N2/8/8/4KB2/8 w - - 0 1)

ten Cate, Pieter

Rostra Gymnasiorum, 1919

8/5B2/5k1N/5N2/8/8/4KB2/8

#2

5 + 1


6490 yacpdb 2019
5454 Near Snap 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Ke3?
      • 1...Kg5
        • 2.Bh4#
      • 1...Ke5!
  • Keys
    • 1.Kf3!
      • 1...Ke5
        • 2.Bd4#
      • 1...Kg5
        • 2.Bh4#

This anticipates 77264(1993)

FEATURES


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