Problem Display
PID: 23448 (7k/8/b5Q1/8/8/8/8/R3K3 w Q - 0 1)

Sokolov, LI

Cuvasijos resp. konkursas, 1955

7k/8/b5Q1/8/8/8/8/R3K3

#2

3 + 2


3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION


  • SOUND
  • Sets
    • 1...Bf1
      • 2.Ra8#
    • 1...Be2
      • 2.Ra8#
    • 1...Bd3
      • 2.Ra8#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Rh2#
      • 1...Bf1
        • 2.Ra8#
      • 1...Be2
        • 2.Ra8#
      • 1...Bc8!
    • 1.Ra3?
      • threat
        • 2.Rh3#
      • 1...Bf1
        • 2.Ra8#
      • 1...Be2
        • 2.Ra8#
      • 1...Bd3
        • 2.Ra8#
      • 1...Bc8!
    • 1.Ra4?
      • threat
        • 2.Rh4#
      • 1...Be2
        • 2.Ra8#
      • 1...Bc4!
    • 1.Ra5?
      • threat
        • 2.Rh5#
      • 1...Be2
        • 2.Ra8#
      • 1...Bb5!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Rh1#
        • 2.Rd8#
      • 1...Bc4
        • 2.Rh1#
      • 1...Bf1
        • 2.Rd8#
      • 1...Be2
        • 2.Rd8#
      • 1...Bd3
        • 2.Rh1#
      • 1...Bb5
        • 2.Rh1#
      • 1...Bb7
        • 2.Rd8#
      • 1...Bc8
        • 2.Rd8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::R(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • B(a);OGATE::R(A)
      • Refutation
        • B(a);
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • B(a);OGATE::R(A)
      • Refutation
        • B(a);
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • B(a);OGATE::R(A)
      • Refutation
        • B(a);
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • B(a);OGATE::R(A)
      • Refutation
        • B(a);
  • Actual
    • K(B);0-0-0
    • Threat
      • DUALS(2)
    • Vars
      • B(a);::R(A)


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).