Problem Display
PID: 106812 (8/8/1R2P3/8/2PkN3/2N5/1B2B3/4K3 w - - 0 1)

Murphy, Joseph

Canadian Illustrated News, 1879

8/8/1R2P3/8/2PkN3/2N5/1B2B3/4K3

#2

8 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd2?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Sf2?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Sc5?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kxc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Sg5?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Sd6?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Sf6?
      • 1...Ke3
        • 2.Scd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5!
    • 1.Rd6+?
      • 1...Ke3
        • 2.Bc1#
      • 1...Ke5!
  • Keys
    • 1.Sg3!
      • 1...Ke3
        • 2.Sd5#
      • 1...Kc5
        • 2.Sa4#
      • 1...Ke5
        • 2.Sd5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
        • K(a);S_FLIGHT,XS(F)::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::B(B)+S(D)


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).