MESON Chess Problem Database

Problem Display
PID: 199480 (8/2Np3B/3P1p2/8/2k1p2N/B3P2q/2K3p1/8 w - - 0 1)

van Starrenburg, JM

Haagsche Courant, 1897

8/2Np3B/3P1p2/8/2k1p2N/B3P2q/2K3p1/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Bg8#
    • 1...Qh2
      • 2.Bg8#
    • 1...Qf3
      • 2.Bg8#
    • 1...Qxh4
      • 2.Bg8#
    • 1...f5
      • 2.Bg8#
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...Qxf3
        • 2.Bg8#
      • 1...exf3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(b);N_GUARD::B(G)
    • Q(b);N_GUARD,XS(D)::B(G)
    • P(e);S_CUTQ(b)::B(G)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • Q(b);N_GUARD,XS(D)::B(G)
      • P(d);OGATE,XS(D)::B(G)
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).