Problem Display
PID: 275280 (R1q3b1/2pp4/B1r2R2/2p3K1/5B2/7k/6p1/6r1 w - - 0 1)

Hersom, Donald H

British Chess Magazine, 1935

R1q3b1/2pp4/B1r2R2/2p3K1/5B2/7k/6p1/6r1

#2

5 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Be6
      • 2.Rh6#
    • 1...d6
      • 2.Rh6#
  • Keys
    • 1.Be2!
      • threat
        • 2.Bg4#
      • 1...Be6
        • 2.Rh6#
      • 1...d5
        • 2.Ra3#
      • 1...d6
        • 2.Rh6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(i);S_CUTR(e)::R(D)
    • P(g);S_CUTR(e)::R(D)
  • Actual
    • B(C);
    • Threat
      • B(C)
    • Vars
      • B(i);S_CUTR(e)::R(D)
      • P(g);S_CUTB(i)::R(E)
      • P(g);S_CUTR(e)::R(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).