MESON Chess Problem Database

Problem Display
PID: 272300 (7B/1Qn5/p1R2r1r/3kPN2/4p2b/6NB/5n2/K7 w - - 0 1)

Wiedenhoff, Claude

diagrammes, 1977

7B/1Qn5/p1R2r1r/3kPN2/4p2b/6NB/5n2/K7

#2

8 + 8

SOLUTION

  • SOUND
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qc5#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Kxc6
        • 2.Se7#
      • 1...Rxc6
        • 2.Se3#
      • 1...Rd6
        • 2.Qc4#
      • 1...Sd3
        • 2.Qxe4#
      • 1...Se6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(d);P-FLIGHT,P_SPINR(f),XP(D)::QAB1(G)
      • K(d);N_GUARD,S_FLIGHT,XR(F)::S(E)
      • R(f);SBLOCK,XR(F)::S(E)
      • R(f);::QAB1(G)
      • S(a);N_GUARD::QAB1(G),XP(b)
      • S(h);S_CUTR(f)::QAR1(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).