MESON Chess Problem Database

Problem Display
PID: 106258 (8/2Q5/4p3/3pN3/3k1p2/5K2/8/8 w - - 0 1)

Klug, Helmut

Karacsonyi lap, 1967

8/2Q5/4p3/3pN3/3k1p2/5K2/8/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kxe5
        • 2.Qxf4#
      • 1...dxc4!
  • Keys
    • 1.Qc1!
      • 1...Kxe5
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XS(B)::QAB1(C),XP(b)
      • Refutation
        • P(c);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT,XS(B)::QAB1(C),XP(b)
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).