MESON Chess Problem Database

Problem Display
PID: 208780 (6n1/p2K2p1/3p1p2/1p1kNpp1/NP6/3PP3/2P5/Bn6 w - - 0 1)

Bracher, George

Dubuque Chess Journal, 1876

6n1/p2K2p1/3p1p2/1p1kNpp1/NP6/3PP3/2P5/Bn6

#2

8 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...bxa4
      • 2.c4#
    • 1...f4
      • 2.e4#
    • 1...a5
      • 2.Sb6#
    • 1...a6
      • 2.Sb6#
  • Tries
    • 1.Sc3+?
      • 1...Kxe5
        • 2.d4#
      • 1...Sxc3!
  • Keys
    • 1.Sg6!
      • 1...bxa4
        • 2.c4#
      • 1...Sh6
        • 2.Se7#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Se7
        • 2.Sxe7#
      • 1...f4
        • 2.e4#
      • 1...g4
        • 2.Sf4#
      • 1...a5
        • 2.Sb6#
      • 1...a6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD,XS(E)::P(B)
    • P(d);N_GUARD::P(D)
    • P(h);N_GUARD::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(G)::P(C)
      • Refutation
        • S(a);XS(E)
  • Actual
    • S(G);
    • Vars
      • P(b);N_GUARD,XS(E)::P(B)
      • S(j);N_GUARD::S(G)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • S(j);N_GUARD::S(G),XS(j)
      • P(d);N_GUARD::P(D)
      • P(e);N_GUARD::S(G)
      • P(h);N_GUARD::S(E)
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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).