Chess and other board games

Edo Historical Chess Ratings - A new historical chess rating system applied to results from 1814-1947

International (FIDE) chess rating inflation - Some analysis

Articles on chess history I have published online at ChessCafé.com:
Judy, a Forgotton Genius of the 1850s (Part 1) - Oct. 2008
Judy, a Forgotton Genius of the 1850s (Part 2) - Nov. 2008
'Le temps des combats de géants' - Jun. 2009
The life (and chess) of Hyppolite du Bourblanc - Aug. 2013

Some of Judy's games can be played through online at Batgirl's chess blog.
Batgirl has also kindly posted a selection of Judy's problems for me [Part i] [Part ii] [Part iii] [Part iv] [Part v] [Part vi] [Part vii].

Viking Siege - an ancient Scandinavian boardgame (works under DOS or Windows systems up to some versions of XP, but not Vista or Windows 7; works slowly under DOSBOX)