MESON Chess Problem Database

Problem Display
PID: 19272 (8/3Q4/8/2B3k1/R4N2/3P4/4K3/8 w - - 0 1)

Boissy, Lucien

Bulletin Ouvrier des Echecs, 1951

8/3Q4/8/2B3k1/R4N2/3P4/4K3/8

#2

6 + 1

2012 Miniature Chess Problems from Many Countries 1981
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kh4
        • 2.Sh5#
        • 2.Bf2#
      • 1...Kh6
        • 2.Bf8#
        • 2.Qg6#
      • 1...Kxf5!
    • 1.Qg7+?
      • 1...Kh4
        • 2.Bf2#
        • 2.Be7#
      • 1...Kf5!
  • Keys
    • 1.Ra5!
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kh4
        • 2.Bf2#
      • 1...Kf6
        • 2.Bd4#
      • 1...Kh6
        • 2.Bf8#

Anticipated by 121013(0000)

This anticipates 51697(1997), 157885(2009), 161407(2011)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(F)
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT,XS(D)::B(E)
      • K(a);S_FLIGHT::B(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).