Problem Display
PID: 108245 (2K5/8/2kp4/2Pp4/2Pp4/1NPp4/5RP1/5BB1 w - - 0 1)

de Rooij, C

Tijdschrift vd NSB, 1925

2K5/8/2kp4/2Pp4/2Pp4/1NPp4/5RP1/5BB1

#2

9 + 5


78 Bulletin Ouvrier des Echecs 1938
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...dxc5
      • 2.Rf6#
  • Tries
    • 1.Rf7?
      • threat
        • 2.Rc7#
      • 1...dxc5
        • 2.Rf6#
      • 1...dxc4!
    • 1.cxd4?
      • threat
        • 2.Sa5#
      • 1...dxc5
        • 2.Rf6#
      • 1...dxc4!
  • Keys
    • 1.Rf5!
      • 1...dxc3
        • 2.Sa5#
      • 1...dxc4
        • 2.Sxd4#
      • 1...dxc5
        • 2.Rf6#
      • 1...d2
        • 2.cxd5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATEB,XP(H)::R(C)
  • Tries
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Vars
        • P(e);OGATEB,XP(H)::R(C)
      • Refutation
        • P(c);XP(G)
    • Try
      • P(F);XP(b)
      • Threat
        • S(E)
      • Vars
        • P(e);OGATEB,XP(H)::R(C)
      • Refutation
        • P(c);XP(G)
  • Actual
    • R(C);
    • Vars
      • P(b);XP(F)::S(E)
      • P(c);XP(G)::S(E),XP(b)
      • P(e);OGATEB,XP(H)::R(C)
      • P(a);::P(G),XP(c)


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).