MESON Chess Problem Database

Problem Display
PID: 52580 (8/8/p7/k4B1b/1R6/2K3R1/8/8 w - - 0 1)

Sonnenfeld, Felix Alexander

Xadrez Brasileiro, 1943

8/8/p7/k4B1b/1R6/2K3R1/8/8

#2

4 + 3

5309 O Mosqueteiro do Rei 1997
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Keys
    • 1.Rg5!
      • threat
        • 2.Bb1#
        • 2.Bc2#
        • 2.Bd3#
        • 2.Bh3#
        • 2.Be4#
        • 2.Bg4#
        • 2.Be6#
        • 2.Bg6#
        • 2.Bd7#
        • 2.Bh7#
        • 2.Bc8#
      • 1...Be2
        • 2.Bd3#
      • 1...Bf3
        • 2.Be4#
      • 1...Bg4
        • 2.Bxg4#
      • 1...Bg6
        • 2.Bxg6#
      • 1...Bf7
        • 2.Be6#
      • 1...Be8
        • 2.Bd7#

This anticipates 133084(2006)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Threat
      • DUALS(11)
    • Vars
      • B(b);::R(B)+B(D)
      • B(b);::R(B)+B(D),XB(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).