Problem Display
PID: 230951 (8/8/8/1p6/1R6/3K4/8/2k5 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1968

8/8/8/1p6/1R6/3K4/8/2k5

#2

2 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kd1
      • 2.Rb1#
  • Tries
    • 1.Rb3?
      • 1...Kd1
        • 2.Rb1#
      • 1...b4!
  • Keys
    • 1.Rxb5!
      • 1...Kd1
        • 2.Rb1#

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
  • Actual
    • R(B);XP(b)
    • Vars
      • K(a);P-FLIGHT::R(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).