Chess DOS games you can play online, free in your browser. 7 of the 50 titles here start instantly, with nothing to install.
They span 1981 to 2004 and lean towards strategy / tactics, action and educational.
Battle Chess1988 · Strategy / tactics
Battle Chess 40001992 · Strategy / tactics
Battle Chess II: Chinese Chess1990 · Strategy / tactics
Battle Chess: Enhanced CD-ROM1992 · Strategy / tactics
Terminator 2: Judgment Day - Chess Wars1993 · Strategy / tactics
Virtual Chess1995 · Strategy / tactics
Virtual Chess Platinum1995 · Strategy / tactics