Problem Display
PID: 75956 (8/8/7K/4B3/4B1k1/4R3/8/8 w - - 0 1)

Wilkin, Father

The Tablet, 1920

(First published on Sat Oct 30 1920)

8/8/7K/4B3/4B1k1/4R3/8/8

#2

4 + 1


15239 Valois Notebooks 2014
5454 Near Snap 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Bf5+?
      • 1...Kh4
        • 2.Bg3#
        • 2.Bf6#
        • 2.Rh3#
        • 2.Re4#
      • 1...Kxf5!
    • 1.Bc6?
      • 1...Kf5
        • 2.Bd7#
      • 1...Kh4!
    • 1.Bb7?
      • 1...Kf5
        • 2.Bc8#
      • 1...Kh4!
  • Keys
    • 1.Bg2!
      • 1...Kh4
        • 2.Re4#
      • 1...Kf5
        • 2.Bh3#

This anticipates 206746(1925)

FEATURES


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