Problem Display
PID: 47027 (2R5/K4B2/p1N5/pk6/r3N3/p3p3/2nb4/2rq4 w - - 0 1)

des Marands, Henri

Themes-64, 1956

2R5/K4B2/p1N5/pk6/r3N3/p3p3/2nb4/2rq4

#2

5 + 10


5454 Near Snap 2007

SOLUTION


  • SOUND
  • Sets
    • 1...Sb4
      • 2.Sd4#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Rb8#
      • 1...Kxb4
        • 2.Rb8#
      • 1...Rxb4
        • 2.Be8#
      • 1...Bxb4
        • 2.Bc4#
      • 1...Sxb4
        • 2.Sd6#
      • 1...axb4
        • 2.Rc5#

Anticipated by 47239(1954)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,SBLOCK,S_CUTR(g)::S(B)
  • Actual
    • S(B);
    • Threat
      • R(E)
    • Vars
      • K(i);P-FLIGHT,XS(B)::R(E)
      • R(g);SBLOCK,XS(B)::B(D)
      • B(d);SBLOCK,XS(B)::B(D)
      • S(c);SBLOCK,XS(B)::S(A)
      • P(h);SBLOCK,XS(B)::R1(E)


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).