In my personal experience, I have used several chess databases throughout my chess journey, and I can share my thoughts on which ones I believe are the best. Please note that these are my own opinions and preferences, and others may have different views.
1. YottaChess: This is one of the biggest chess databases available, boasting an impressive collection of 11.2 million chess games. What makes YottaChess even more appealing is the fact that it is entirely free. Having such a vast database at your disposal can be highly advantageous for chess players looking to study and analyze different openings, strategies, and historical games. The sheer volume of games available ensures that you can find a wide variety of positions and ideas to learn from. However, it’s worth mentioning that YottaChess does not offer any additional features or functionalities beyond the game database itself.
2. Opening Master Chess Databases: Although this database may not have as many games as YottaChess, with a collection of 9.0 million chess games, it is still a substantial resource. Opening Master Chess Databases come at a price of 60€, which is relatively affordable considering the vast amount of data provided. What sets this database apart is its focus on openings. It offers detailed analysis and evaluations of various opening lines, making it an excellent tool for players looking to deepen their opening repertoire. Additionally, it often includes annotations from top-level players, providing valuable insights into the nuances of specific opening variations.
3. MegaDatabase 2021: With 8.4 million chess games, MegaDatabase is another popular choice among chess players. Priced at 190€, it is one of the more expensive options on the market. However, the higher cost comes with added benefits. MegaDatabase not only offers a vast number of games but also includes a range of additional features and functionalities. These features may include player information, tournament details, and the ability to search for games based on specific criteria such as player rating or opening variation. The extra tools and information provided can be invaluable for players looking for a more comprehensive chess database.
4. ChessOK Database: This database, with 7.6 million chess games, is another solid option for chess enthusiasts. Priced at 76€, it offers a good balance between game quantity and affordability. ChessOK Database provides a user-friendly interface and various search filters, making it easy to find specific games or positions of interest. It also offers the option to download games in various formats, allowing for easy integration with chess software or analysis tools. While it may not have as many bells and whistles as some other databases, it provides a reliable and functional resource for chess players.
5. Chess24 Database: Chess24 offers a database of 6 million chess games, but it is worth noting that access to this database requires a premium user subscription. While the subscription does come with many other benefits, such as access to high-quality video content and live game broadcasts, the database itself may not be the primary reason for choosing Chess24. However, if you are already a premium user or interested in the additional features Chess24 provides, the database can still be a useful resource for studying and analyzing games.
To summarize, the best chess database ultimately depends on your specific needs and preferences. If you are looking for a free option with a vast number of games, YottaChess is a fantastic choice. However, if you are willing to invest some money, Opening Master Chess Databases, MegaDatabase 2021, and ChessOK Database offer more comprehensive features and functionalities. Additionally, if you are already a premium user of Chess24, their database can be a handy resource. It’s always a good idea to explore different databases and see which one aligns best with your goals as a chess player.