| --- |
| 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 | 20250608 | 20251115 | 20260702 | |
| | :-------------- | ----------: | ----------: | ----------: | -----------: | -----------: | |
| | Positions | 44262943988 | 46456113101 | 48454315961 | 53035759834 | 63996865341 | |
| | Scored moves | 88251700855 | 92617595285 | 96605581079 | 128743456819 | 151652263234 | |
| | Size | 821GB | 808GB | 846GB | 997GB | 1.2TB | |
|
|
|
|
| <!-- |
|
|
| Final count: 44262943988 |
| Have min ply: 28819025984 |
| Have single move: 35381149368 |
| Total scored moves: 88251700855 |
|
|
| Final count: 46456113101 |
| Have min ply: 40646578967 |
| Have single move: 37095836123 |
| Total scored moves: 92617595285 |
|
|
| Exact count: 48454315961 |
| Have min ply: 42635854870 |
| Have single move: 38668601698 |
| Total scored moves: 96605581079 |
|
|
| Final count: 53035759834 |
| Have min ply: 49670372959 |
| Have single move: 34857596299 |
| Total scored moves: 128743456819 |
|
|
| Final count: 63996865341 |
| Have min ply: 59802641686 |
| Have single move: 42403857361 |
| Total scored moves: 151652263234 |
|
|
| --> |
