Problem Display
PID: 11921 (8/6p1/3p1p2/1K1kPP2/1p2N3/2p5/2B4R/4R3 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1973

8/6p1/3p1p2/1K1kPP2/1p2N3/2p5/2B4R/4R3

#2

7 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...dxe5
      • 2.Rd1#
    • 1...fxe5
      • 2.Rd1#
  • Tries
    • 1.Sxf6+?
      • 1...Kd4
        • 2.Re4#
        • 2.Rh4#
      • 1...gxf6!
  • Keys
    • 1.Rh4!
      • 1...Kd4
        • 2.Sxf6#
      • 1...Kxe5
        • 2.Sxc3#
      • 1...dxe5
        • 2.Rd1#
      • 1...fxe5
        • 2.Rd1#
      • 1...b3
        • 2.Sxc3#
      • 1...g5
        • 2.Sxf6#
      • 1...g6
        • 2.Sxf6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK,XP(F)::R(A)
    • P(e);SBLOCK,XP(F)::R(A)
  • Tries
    • Try
      • S(D);CHECK,XP(e)
      • Refutation
        • P(f);XS(D)
  • Actual
    • R(C);
    • Vars
      • K(c);P-FLIGHT::R(C)+S(D),XP(e)
      • K(c);P-FLIGHT,XP(F)::R(A)+S(D),XP(a)
      • P(d);SBLOCK,XP(F)::R(A)
      • P(e);SBLOCK,XP(F)::R(A)
      • P(b);N_GUARD::S(D),XP(a)
      • P(f);N_GUARD::S(D),XP(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).