Problem Display
PID: 135896 (8/2N5/p6B/r1P5/2P1kPP1/2R2N2/3p2n1/4b2K w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Springaren, 2009

8/2N5/p6B/r1P5/2P1kPP1/2R2N2/3p2n1/4b2K

#2

9 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sf6#
      • 1...Se3
        • 2.Rxe3#
      • 1...Bh4!
    • 1.Se8?
      • threat
        • 2.Sd6#
        • 2.Sf6#
      • 1...d1Q
        • 2.Sf6#
      • 1...d1R
        • 2.Sf6#
      • 1...Bh4
        • 2.Sd6#
      • 1...Se3!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sfg5#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Sxf4
        • 2.Seg5#
      • 1...Bh4
        • 2.Sxd2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • S(c);N_GUARD::R1(B),XS(c)
      • Refutation
        • B(a);
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::S(I)
        • B(a);::S(I)
      • Refutation
        • S(c);
  • Actual
    • S(I);
    • Threat
      • S(C)
    • Vars
      • R(e);XP(G)::S(I),XR(e)
      • S(c);SBLOCK,XP(E)::S(I)
      • B(a);N_GUARD::S(C),XP(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).