MESON Chess Problem Database

Problem Display
PID: 164356 (8/8/5NQ1/5PB1/2PpP3/1Knk1p2/BP2p3/4rb2 w - - 0 1)

Jankevics, Karlis

Sachova skladba, 2007

8/8/5NQ1/5PB1/2PpP3/1Knk1p2/BP2p3/4rb2

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Bb1#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sc5#
      • 1...Kxe4
        • 2.f6#
      • 1...Sxe4
        • 2.Se5#
      • 1...Sa4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf2#
      • 1...Kxe4
        • 2.f6#
      • 1...Sxe4
        • 2.Se5#
      • 1...Sd1
        • 2.Bb1#
      • 1...f2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,S_CUTR(a)::B(A)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • K(e);S_FLIGHT,XP(E)::QAB(I)+P(F)
        • S(d);SBLOCK,XP(E)::S(H)
      • Refutation
        • S(d);
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • K(e);S_FLIGHT,XP(E)::QAB(I)+P(F)
      • S(d);SBLOCK,XP(E)::S(H)
      • S(d);N_GUARD,S_CUTR(a)::B(A)
      • P(f);::S(H),XP(f)
HTML5 logo

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).