Problem Display
PID: 149208 (6R1/5P2/7k/8/5K2/8/8/8 w - - 0 1)

Dehler, Ernst Georg

Deutsche Schachzeitung, 1924

6R1/5P2/7k/8/5K2/8/8/8

#2

3 + 1


15148 Sadier Collection 2013

SOLUTION


  • SOUND
  • Tries
    • 1.Kf5?
      • 1...Kh5
        • 2.Rh8#
      • 1...Kh7!
    • 1.f8Q+?
      • 1...Kh7
        • 2.Qg7#
      • 1...Kh5!
  • Keys
    • 1.f8S!
      • 1...Kh5
        • 2.Rh8#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT::R(C)


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).