Here's some chess game databases that I found useful, easy to use, and in most cases annotated. I've zipped them up and the can be downloaded here...
- 300 Most Important Positions
- Dutch Chess Champions (Annotated)
- German Chess Congresses (Annotated)
- Laszlo Polgar's 5334 Chess Exercises
- López to Kramnik (1574-2006) (Annotated)
- Super Tournaments (Annotated)
All the files are in PGN format which may be viewed and analysed in
Shredder or
José or
one of these programs...