Problem Display
PID: 84201 (8/8/3R4/5B2/8/Pk6/1P4R1/K7 w - - 0 1)

Drazkowski, Krzysztof

Schach-Magazin, 1989

8/8/3R4/5B2/8/Pk6/1P4R1/K7

#2

6 + 1


5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Rd5?
      • 1...Ka4
        • 2.Bc2#
      • 1...Kc4!
  • Keys
    • 1.Rg5!
      • 1...Ka4
        • 2.Bc2#
      • 1...Kc4
        • 2.Be6#

Anticipated by 24876(0000), 220218(1885), 9655(1907), 183219(1907), 130181(1911)

This anticipates 34937(1990-1991), 134754(1999)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT::B(E)


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).