Problem Display
PID: 202246 (8/7Q/3k4/2R5/N7/K4N2/8/8 w - - 0 1)

Reichert, Wilhelm

Heilbronner Generalanzeiger, 1923

8/7Q/3k4/2R5/N7/K4N2/8/8

#2

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sb6?
      • 1...Ke6
        • 2.Rc6#
      • 1...Kxc5!
  • Keys
    • 1.Sc3!
      • 1...Kxc5
        • 2.Qc7#
      • 1...Ke6
        • 2.Rc6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAR2(E)
      • K(a);P-FLIGHT::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).