Problem Display
PID: 273539 (5N2/8/1b6/2npp3/4k1K1/8/2NPP3/8 w - - 0 1)

Dukic, Milenko

Mat, 1972

5N2/8/1b6/2npp3/4k1K1/8/2NPP3/8

#2

5 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Sb3
      • 2.d3#
    • 1...Sa4
      • 2.d3#
    • 1...Sa6
      • 2.d3#
    • 1...Se6
      • 2.d3#
    • 1...Sb7
      • 2.d3#
    • 1...Sd7
      • 2.d3#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sg5#
      • 1...Sxe6
        • 2.d3#
      • 1...Bd8
        • 2.Sxc5#
      • 1...d4!
    • 1.Sh7?
      • threat
        • 2.Sg5#
        • 2.Sf6#
      • 1...d4
        • 2.Sf6#
      • 1...Se6
        • 2.Sf6#
        • 2.d3#
      • 1...Sd7
        • 2.Sg5#
        • 2.d3#
      • 1...Bd8!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sf6#
      • 1...Sxd7
        • 2.d3#
      • 1...Bd8
        • 2.Sxc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(b);N_GUARD::P(B)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • S(b);N_GUARD,XS(E)::P(B)
        • B(e);N_GUARD::S(E),XS(b)
      • Refutation
        • P(c);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::S(E)
      • Refutation
        • B(e);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(b);N_GUARD,XS(E)::P(B)
      • B(e);N_GUARD::S(E),XS(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).