MESON Chess Problem Database

Problem Display
PID: 110447 (b2K4/3Bpp2/1ppk1P1P/1P5q/3B1P1N/2N2P1Q/8/8 w - - 0 1)

Nemeth, Jozsef

Fonyodi Jarasi TST, 1963

b2K4/3Bpp2/1ppk1P1P/1P5q/3B1P1N/2N2P1Q/8/8

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf3
      • 2.Sf5#
    • 1...Qe5
      • 2.fxe5#
    • 1...Qf5
      • 2.Sxf5#
    • 1...Qxh6
      • 2.Sf5#
  • Keys
    • 1.Qf5!
      • threat
        • 2.Se4#
      • 1...Qxf3
        • 2.Qe5#
      • 1...Qxf5
        • 2.Sxf5#
      • 1...cxb5
        • 2.Sxb5#
      • 1...c5
        • 2.Be5#
      • 1...e5
        • 2.fxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(a);N_GUARD,XP(B)::S(F)
    • Q(a);OGATE::P(E),XQ(a)
    • Q(a);N_GUARD::S(F),XQ(a)
    • Q(a);N_GUARD,XP(I)::S(F)
  • Actual
    • Q(C);
    • Threat
      • S(A)
    • Vars
      • Q(a);N_GUARD,XP(B)::QAB1(C)
      • Q(a);XQ(C)::S(F),XQ(a)
      • P(c);XP(G)::S(A),XP(c)
      • P(c);SBLOCK::B(D)
      • P(e);OGATE::P(E),XP(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).