Problem Display
PID: 278092 (8/4P3/8/1kB5/1P2B3/8/1K6/8 w - - 0 1)

Nikitin, V?

Phenix, 2007

8/4P3/8/1kB5/1P2B3/8/1K6/8

#2

5 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Ka4
      • 2.Bc6#
      • 2.e8Q#
      • 2.e8B#
  • Tries
    • 1.Bd3+?
      • 1...Ka4
        • 2.e8Q#
        • 2.e8B#
      • 1...Kc6!
    • 1.Bd5?
      • 1...Ka4
        • 2.Bc6#
        • 2.e8Q#
        • 2.e8B#
      • 1...Ka6!
    • 1.Bb7?
      • 1...Ka4
        • 2.Bc6#
        • 2.e8Q#
        • 2.e8B#
      • 1...Kc4!
    • 1.e8Q+?
      • 1...Ka6
        • 2.Qa4#
        • 2.Qc6#
      • 1...Kc4!
  • Keys
    • 1.e8S!
      • 1...Ka4
        • 2.Bc6#
      • 1...Kc4
        • 2.Sd6#
      • 1...Ka6
        • 2.Sc7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::B(C)
      • K(a);N_GUARD,S_FLIGHT::S(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).