: The legitimate version is sold by ChessBase .
: Splitting prevents a single download error from ruining the whole file.
If you are looking for games without the high price tag, the provides recent high-level games for free, which you can import into any database software. If you tell me what you're looking for, I can help: Buying/Installing the official ChessBase version? Finding free alternatives to Mega Database? Troubleshooting an extraction error with .rar files?
Mega Database 2023 is the gold standard for chess study, containing over 9.7 million games. Posts regarding a "Part1.rar" file are usually found in chess forums or file-sharing communities where users break the massive 4GB+ installer into smaller, downloadable chunks. ♟️ What is Mega Database 2023? : Over 9.7 million games from 1475 to 2022.
: You typically need all parts (Part 1, Part 2, etc.) in the same folder to extract it. ⚠️ Important Considerations