Problem Display
PID: 182569 (1b1N4/3p4/8/B1pNk3/6Pp/1P3P2/7K/3R4 w - - 0 1)

Tate, Henry

British Chess Magazine, 1912

1b1N4/3p4/8/B1pNk3/6Pp/1P3P2/7K/3R4

#2

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Bd6
      • 2.Bc3#
    • 1...d6
      • 2.Bc3#
  • Keys
    • 1.Bd2!
      • threat
        • 2.Bf4#
      • 1...Kd4+
        • 2.Bf4#
      • 1...Kxd5+
        • 2.Bf4#
      • 1...Kd6
        • 2.Bf4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(e);SBLOCK::B(F)
    • P(d);SBLOCK::B(F)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(c);CHECK,S_FLIGHT::R(A)+B(F)
      • K(c);CHECK,P-FLIGHT,XS(G)::R(A)+B(F)
      • K(c);S_FLIGHT::B(F)


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).