Problem Display
PID: 2242 (5B2/8/4pp1r/4N2p/5k1K/8/4Q3/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

5B2/8/4pp1r/4N2p/5k1K/8/4Q3/8

#2

4 + 5


1679 American Chess Nuts 1868

SOLUTION


  • SOUND
  • Sets
    • 1...f5
      • 2.Sd3#
      • 2.Bxh6#
  • Tries
    • 1.Sg6+?
      • 1...Kf5
        • 2.Qd3#
        • 2.Qc2#
      • 1...Rxg6!
    • 1.Bd6?
      • threat
        • 2.Qf3#
      • 1...Kf5
        • 2.Qf3#
      • 1...fxe5!
  • Keys
    • 1.Qd3!
      • 1...Kxe5
        • 2.Bd6#
      • 1...fxe5
        • 2.Bxh6#
      • 1...Rg6
        • 2.Sxg6#
      • 1...Rh7
        • 2.Sg6#
      • 1...Rh8
        • 2.Sg6#
      • 1...f5
        • 2.Qd4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(e);XS(C)
    • Try
      • B(D);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(d);P_SPINP(d),XS(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(C)::B(D)
      • P(d);SBLOCK,XS(C)::B(D),XR(e)
      • R(e);N_GUARD::S(C),XR(e)
      • R(e);N_GUARD::S(C)
      • P(d);SBLOCK::QAR2(A)


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).