Problem Display
PID: 104301 (7R/6kP/7b/5Kp1/8/3B4/3p4/4RQ2 w - - 0 1)

Belic, Milovan

Uralski Skazi, 1990

7R/6kP/7b/5Kp1/8/3B4/3p4/4RQ2

#2

6 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Rg8+?
      • 1...Kf7
        • 2.Kg4#
        • 2.Bc4#
      • 1...Kxh7!
  • Keys
    • 1.Rf8!
      • threat
        • 2.h8Q#
      • 1...Kxh7
        • 2.Kf6#
      • 1...Kxf8
        • 2.Kg6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(d);P-FLIGHT,XP(E)
  • Actual
    • R(F);
    • Threat
      • P=Q
    • Vars
      • K(d);P-FLIGHT,XP(E)::B(C)+K(D)
      • K(d);S_FLIGHT,XR(F)::QAR(B)+K(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).