MESON Chess Problem Database

Problem Display
PID: 27428 (6B1/8/3R4/1n3p2/1pN1k3/4b3/2n1P2B/7K w - - 0 1)

de Haas, Bastian Evert

Probleemblad, 2001

6B1/8/3R4/1n3p2/1pN1k3/4b3/2n1P2B/7K

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Bd5#
    • 1...Scd4
      • 2.Bd5#
    • 1...Sbd4
      • 2.Bd5#
    • 1...f4
      • 2.Bh7#
  • Keys
    • 1.Rd3!
      • threat
        • 2.Bd5#
      • 1...f4
        • 2.Bh7#
      • 1...Bd4
        • 2.Sd2#
      • 1...Scd4
        • 2.Rxe3#
      • 1...Sc3
        • 2.Sd6#
      • 1...Sbd4
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::B(F)
    • S(a);SBLOCK::B(F)
    • S(e);SBLOCK::B(F)
    • P(f);OGATEB::B(F)
  • Actual
    • R(E);
    • Threat
      • B(F)
    • Vars
      • P(f);OGATEB::B(F)
      • B(b);N_GUARD::S(D)
      • S(a);N_GUARD,SBLOCK::R1(E),XB(b)
      • S(e);N_GUARD::S(D)
HTML5 logo

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).