MESON Chess Problem Database

Problem Display
PID: 53851 (3n4/4Q1p1/6B1/8/3ppk1r/3p3P/3P3P/2N1K1NR w K - 0 1)

Nidiry, Joseph J

Chess World (The), 1950

3n4/4Q1p1/6B1/8/3ppk1r/3p3P/3P3P/2N1K1NR

#2

9 + 7

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1951

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Sxd3#
  • Tries
    • 1.Sge2+?
      • 1...Kf3
        • 2.0-0#
      • 1...dxe2!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qxe4#
      • 1...Kxf3
        • 2.0-0#
      • 1...exf3
        • 2.Sxd3#
      • 1...Se6
        • 2.Qf7#
      • 1...e3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::S(A),XP(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT::0-0
      • Refutation
        • P(a);XS(C)
  • Actual
    • S(C);
    • Threat
      • QAR1(I),XP(c)
    • Vars
      • K(d);P-FLIGHT,XS(C)::0-0
      • P(c);N_GUARD,SBLOCK,XS(C)::S(A),XP(a)
      • S(g);N_GUARD::QAR(I)
      • P(c);::QAR1(I)
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).