Problem Display
PID: 180169 (8/8/n4N2/4p3/6N1/1QPk2Kn/3p4/3B4 w - - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2015

8/8/n4N2/4p3/6N1/1QPk2Kn/3p4/3B4

#2

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Sf2+?
      • 1...Ke3
        • 2.S6g4#
        • 2.Sd5#
      • 1...Sxf2!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Bc2#
      • 1...Sf4
        • 2.Sef2#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sc7
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • S(c);XS(E)
  • Actual
    • S(F);
    • Threat
      • QAR2(B)
    • Vars
      • K(b);S_FLIGHT,XS(F)::B(A)
      • S(c);N_GUARD::S(F)
      • S(e);N_GUARD::S(F)


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).