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---
license: lgpl-3.0
tags:
- chess
- cdb
pretty_name: Static dumps of chessdb.cn
viewer: false
---
# Static dumps of chessdb.cn (cdb)
This is a collection of static dumps of [chessdb.cn](https://chessdb.cn/queryc_en/), the largest online database
of chess positions and openings. The dumps can be probed with the help of [cdbdirect](https://github.com/vondele/cdbdirect).
## Statistics
| | 20240814 | 20241114 |
| :-------------- | ----------: | ----------: |
| Positions | 44262943988 | 46456113101 |
| Size | 821GB | 808GB |
|