MESON Chess Problem Database

Problem Display
PID: 262784 (8/3N2n1/4R3/N2k1BQ1/R2bp3/3n4/6b1/1K6 w - - 0 1)

Hoek, Willem

Szachy, 1950

8/3N2n1/4R3/N2k1BQ1/R2bp3/3n4/6b1/1K6

#2

7 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Sf6#
    • 1...Sc5
      • 2.Sb6#
    • 1...e3
      • 2.Qxg2#
  • Keys
    • 1.Rc6!
      • threat
        • 2.Be6#
      • 1...Sxf5
        • 2.Qg8#
      • 1...Be5
        • 2.Sb6#
      • 1...Se5
        • 2.Sf6#
      • 1...Se6
        • 2.Bxe6#
      • 1...e3
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD,SBLOCK::S(G)
    • S(b);SBLOCK,S_CUTB(c)::S(G)
    • P(d);OGATEB::QAB(E),XB(a)
  • Actual
    • R(F);
    • Threat
      • QAR(E)+B(D),DCHECK
    • Vars
      • S(f);OGATE,P_SPINS(f),XB(D)::QAB(E)
      • B(c);N_GUARD,SBLOCK::S(G)
      • S(b);SBLOCK,S_CUTB(c)::S(G)
      • S(f);::QAR(E)+B(D),DCHECK,XS(f)
      • P(d);OGATEB::QAB(E),XB(a)
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).