Problem Display
PID: 149277 (8/5N2/8/2n2K2/6R1/3N3k/7B/8 w - - 0 1)

Kolpakov, Viktor Sergeevich

Kudesnik, 1995

8/5N2/8/2n2K2/6R1/3N3k/7B/8

#2

5 + 2


15148 Sadier Collection 2013

SOLUTION


  • SOUND
  • Tries
    • 1.Bf4?
      • threat
        • 2.Sf2#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se6
        • 2.Sf2#
      • 1...Se4!
    • 1.Be5?
      • threat
        • 2.Sf2#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se6
        • 2.Sf2#
      • 1...Se4!
    • 1.Bd6?
      • threat
        • 2.Sf2#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se6
        • 2.Sf2#
      • 1...Se4!
    • 1.Bc7?
      • threat
        • 2.Sf2#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se6
        • 2.Sf2#
      • 1...Se4!
    • 1.Bb8?
      • threat
        • 2.Sf2#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se6
        • 2.Sf2#
      • 1...Se4!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Sf2#
        • 2.Sf4#
        • 2.Sg5#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Se4
        • 2.Sf4#
      • 1...Se6
        • 2.Sf2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XS(B)::S(E)
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XS(B)::S(E)
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XS(B)::S(E)
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XS(B)::S(E)
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XS(B)::S(E)
        • S(b);::S(B)
      • Refutation
        • S(b);
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • S(b);XS(B)::S(E)
      • S(b);::S(B)


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).