MESON Chess Problem Database

Problem Display
PID: 57346 (3K4/8/3Q1n2/5B2/1p1N3N/1Rb1k3/3rrp2/1bB1n3 w - - 0 1)

Weenink, Henri Gerard Maria

2nd HM., Brisbane Courier, 1919-1920

3K4/8/3Q1n2/5B2/1p1N3N/1Rb1k3/3rrp2/1bB1n3

#2

7 + 9

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sg2#
    • 1...Sg2
      • 2.Sxg2#
    • 1...Sd3
      • 2.Sg2#
    • 1...Sf3
      • 2.Sg2#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qd4#
      • 1...Bd3
        • 2.Qf4#
      • 1...Sc2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qg3#
      • 1...Sf3
        • 2.Sg2#
      • 1...Sd5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(b);N_GUARD::S(D)
    • S(b);N_GUARD::S(D),XS(b)
    • S(b);N_GUARD,N_SPINB(f)::S(D)
  • Actual
    • S(C);P_SPINQ(F)
    • Threat
      • QAB1(F)
    • Vars
      • B(a);N_PINQ(F),N_SPINB(f)::QAB1(F)
      • S(b);N_GUARD,S_CUTB(a)::QAR1(F)
      • S(b);N_PINQ(F),N_SPINB(f)::QAR2(F)
      • S(b);N_GUARD,SBLOCK::S(D)
      • S(i);N_PINQ(F)::QAB(F)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).