Problem Display
PID: 67932 (8/8/8/8/6R1/3n1k2/3K2R1/1B6 w - - 0 1)

Chepizhni, Viktor Ivanovich

Shakhmatny zadachi miniaturi, 1987

8/8/8/8/6R1/3n1k2/3K2R1/1B6

#2

4 + 2


5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Sc1
      • 2.Be4#
    • 1...Se1
      • 2.Be4#
    • 1...Sb2
      • 2.Be4#
    • 1...Sf2
      • 2.R2g3#
    • 1...Sb4
      • 2.Be4#
    • 1...Sf4
      • 2.R4g3#
    • 1...Se5
      • 2.Be4#
  • Keys
    • 1.Bc2!
      • threat
        • 2.Bd1#
      • 1...Sc1
        • 2.Be4#
      • 1...Sb2
        • 2.Be4#
      • 1...Sf2
        • 2.R2g3#
      • 1...Sf4
        • 2.R4g3#

This anticipates 179249(2010)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(a);OGATE::B(A)
    • S(a);SBLOCK::R1(C)
    • S(a);SBLOCK::R1(D)
  • Actual
    • B(A);
    • Threat
      • B(A)
    • Vars
      • S(a);OGATE::B(A)
      • S(a);SBLOCK::R1(C)
      • S(a);SBLOCK::R1(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).