MESON Chess Problem Database

Problem Display
PID: 222927 (1nN5/5p2/1B2nN2/4k1pb/2K3p1/3B2P1/Q7/8 w - - 0 1)

Dunka, Gyorgy Jusztin

Tabor, 1886

1nN5/5p2/1B2nN2/4k1pb/2K3p1/3B2P1/Q7/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bg6
      • 2.Sxg4#
    • 1...Sa6
      • 2.Sd7#
    • 1...Sc6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
  • Keys
    • 1.Qa6!
      • 1...Kxf6
        • 2.Bd4#
      • 1...Sxa6
        • 2.Sd7#
      • 1...Sd4
        • 2.Bxd4#
        • 2.Bc7#
      • 1...Sf4
        • 2.Bd4#
        • 2.Bc7#
      • 1...Sc5
        • 2.Bc7#
      • 1...Sc7
        • 2.Bd4#
        • 2.Bxc7#
      • 1...Sg7
        • 2.Bd4#
        • 2.Bc7#
      • 1...Sd8
        • 2.Bd4#
        • 2.Bc7#
      • 1...Sf8
        • 2.Bd4#
        • 2.Bc7#
      • 1...Bg6
        • 2.Sxg4#
      • 1...Sc6
        • 2.Sd7#
      • 1...Sd7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::S(F),XP(a)
    • S(g);N_GUARD::S(F)
    • S(g);N_GUARD::S(F),XS(g)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT,XS(F)::B(E)
      • S(g);N_GUARD,XQ(A)::S(F)
      • S(e);N_GUARD::B(E)
      • B(d);N_GUARD::S(F),XP(a)
      • S(g);N_GUARD::S(F)
      • S(g);N_GUARD::S(F),XS(g)
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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).