The biggest chess databases

I want to summarize the differentes databases, i divide this post depend on online chess games and onsite chess games, ordered in decreasing order by chess games.

FREE and PREMIUM databases.
1. YottaChess with 11.2 million chess games and FREE.
2. Opening Master Chess Databases with 9.0 million chess games and 60€.
3. MegaDatabase 2021 with 8.4M chess games and 190€.
4. ChessOK Database with 7.6M chess games and 76€.
5. Chess24 Database with 6 million chess games and require premium user.
6. Caissabase with 4.27M chess games (included Millionbase – Kingbase) and FREE.
7. 365Chess database with 4 million chess games and FREE.
8. Chess Tempo Database with 3.9 millions chess games and FREE.
9. Database with 3.2 million chess games and FREE.
10. Gorgonian database with 2.81M chess games (included PGNMentor + TWIC) and FREE.
11. Theweekinchess with 2.5 million chess games and 30€ (or free download each file).
12. Chess games Database with 1 million chess games and FREE.
13. Shredderchess database with 0.5 million chess games and FREE.

Online chess games databases

1. Lichess Elite Database with 2.173 million chess games standard rated games, played on and FREE.
2. Ficsgames with 256 million chess games and FREE.
3. Opening Master Chess Databases it has two databases first one CORR with correspondence chess games ICCF and with the price of 40€, and GOLEM with 29.8 million chess games including correspondence games ICCF, FIDE players human game and online games - 100€.

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