Chess game collection
The most common types of chess game collections are collected games of a single player, annotations of games from a single tournament, collections of chess games covering a certain period of time, opening move collections, or collections centered on tactical or strategic themes.
Chess Informant is a series which collects chess games annotated by top players and publishes them in a language independent format.
Chess game collections can be categorized by:
1. OTB
2. Correspondence
3. Online played games
4. Engines vs engine
5. Engine vs human
6. Puzzles
7. mid games
8. endgames