MESON Chess Problem Database

Problem Display
PID: 198382 (1Q6/2B1N3/3npp2/2N1n2K/5k2/4p2R/b7/8 w - - 0 1)

Wilhelm, Joseph A

Australasian Chess Magazine, 1920

1Q6/2B1N3/3npp2/2N1n2K/5k2/4p2R/b7/8

#2

6 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Sd3#
    • 1...Sf5
      • 2.Sg6#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qh2#
      • 1...Sf3
        • 2.Qxf6#
      • 1...Sg4
        • 2.Qd4#
      • 1...Se4
        • 2.Sd3#
      • 1...Sf5
        • 2.Sg6#
      • 1...e2
        • 2.Qc1#
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);P_SPINS(d),SBLOCK::S(B)
    • S(e);P_SPINS(d),SBLOCK::S(E)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • S(d);OGATE,P_SPINS(e)::QAR2(F),XP(g)
      • S(d);P_SPINS(e)::QAR2(F)
      • S(e);P_SPINS(d),SBLOCK::S(B)
      • S(e);P_SPINS(d),SBLOCK::S(E)
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).