MESON Chess Problem Database

Problem Display
PID: 10844 (8/8/8/7P/1Q3Pk1/8/6NB/5K2 w - - 0 1)

Riczu, Lajos

Die Schwalbe, 1969

8/8/8/7P/1Q3Pk1/8/6NB/5K2

#2

6 + 1

2012 Miniature Chess Problems from Many Countries 1981
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3!
  • Keys
    • 1.Qe7!
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Qh4#
      • 1...Kf5
        • 2.Se3#
      • 1...Kxh5
        • 2.Qg5#

This anticipates 136534(1988-1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT,XP(F)::QAR1(D)
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).