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--- |
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license: lgpl-3.0 |
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tags: |
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- chess |
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- cdb |
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pretty_name: Static dumps of chessdb.cn |
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viewer: false |
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--- |
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# Static dumps of chessdb.cn (cdb) |
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This is a collection of static dumps of [chessdb.cn](https://chessdb.cn/queryc_en/), the largest online database |
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of chess positions and openings. The dumps can be probed with the help of [cdbdirect](https://github.com/vondele/cdbdirect). |
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## Statistics |
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| | 20240814 | 20241114 | 20250608 | 20251115 | |
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| :-------------- | ----------: | ----------: | ----------: | -----------: | |
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| Positions | 44262943988 | 46456113101 | 48454315961 | 53035759834 | |
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| Scored moves | 88251700855 | 92617595285 | 96605581079 | 128743456819 | |
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| Size | 821GB | 808GB | 846GB | 997GB | |
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<!-- |
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Final count: 44262943988 |
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Have min ply: 28819025984 |
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Have single move: 35381149368 |
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Total scored moves: 88251700855 |
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Final count: 46456113101 |
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Have min ply: 40646578967 |
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Have single move: 37095836123 |
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Total scored moves: 92617595285 |
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Exact count: 48454315961 |
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Have min ply: 42635854870 |
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Have single move: 38668601698 |
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Total scored moves: 96605581079 |
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Final count: 53035759834 |
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Have min ply: 49670372959 |
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Have single move: 34857596299 |
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Total scored moves: 128743456819 |
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--> |
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