Problem Display
PID: 239092 (1N6/1p6/1PR1R3/kPKpP3/P7/8/2B5/8 w - d5 0 1)

Durig, W

Schweizerische Schachzeitung, 1989

1N6/1p6/1PR1R3/kPKpP3/P7/8/2B5/8

#2

9 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...bxc6
      • 2.Sxc6#
  • Tries
    • 1.Bd1?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Bb3?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Red6?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Rf6?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Rg6?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Rh6?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
    • 1.Re7?
      • 1...bxc6
        • 2.Sxc6#
        • 2.Ra7#
      • 1...d4!
    • 1.Re8?
      • 1...bxc6
        • 2.Sxc6#
      • 1...d4!
  • Keys
    • 1.exd5 ep!
      • 1...bxc6
        • 2.Sxc6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);XR(G)::S(I),XP(c)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Refutation
        • P(b);
    • Try
      • R(H);
      • Vars
        • P(c);XR(G)::S(I),XP(c)
      • Refutation
        • P(b);
  • Actual
    • P(E);EP,XP(b)
    • Vars
      • P(c);XR(G)::S(I),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).