Problem Display
PID: 157464 (3K4/8/8/1B1kp1N1/4N1P1/3p4/3P4/8 w - - 0 1)

Hilton, Charles G

The Problemist, 1951

3K4/8/8/1B1kp1N1/4N1P1/3p4/3P4/8

#2

6 + 3


15148 Sadier Collection 2016
5454 Near Snap 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Sf3?
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxe4!
  • Keys
    • 1.Se6!
      • 1...Kxe4
        • 2.Bc6#
      • 1...Kxe6
        • 2.Bc4#

Anticipated by 193732(1916)

FEATURES


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