Decision Workspace
fen-rs vs timecat vs chess-lab
Side-by-side comparison of Rust crates
47
fen-rs
growingv0.1.5
Forsyth-Edwards Notation parser
64
timecat
stablev1.53.0
A NNUE-based chess engine that implements the Negamax algorithm and can be integrated into any project as a library. It features move generation, advanced position evaluation through NNUE, and move searching capabilities.
44
chess-lab
growingv0.2.1
Chess library with multiple variants and FEN/PGN support.
Core Metrics
| fen-rs | timecat | chess-lab | |
|---|---|---|---|
| Health Score | 47 | 64 | 44 |
| Total Downloads | 7.6K | 192.6K | 2.5K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 0 |
| Releases | 6 | 198 | 4 |
| Last Updated | 751d ago | 33d ago | 23d ago |
| Age | 2y | 2y | 1y 11m |
Health Breakdown
fen-rs
Maintenance
10
Quality
16
Community
6
Popularity
5
Documentation
10
timecat
Maintenance
17
Quality
20
Community
6
Popularity
6
Documentation
15
chess-lab
Maintenance
15
Quality
9
Community
3
Popularity
4
Documentation
13
Technical Details
| fen-rs | timecat | chess-lab | |
|---|---|---|---|
| Version | 0.1.5 | 1.53.0 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | GPL-3.0-or-later | CC0-1.0 |
| Dependencies | 0 | 15 | 5 |
| Crate Size | 5KB | 134KB | 64KB |
| Features | 0 | 12 | 0 |
| Yanked % | 0.0% | 0.5% | 25.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.89 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •timecat leads with a health score of 64/100, but none of the options score above 80.
- •⚠ fen-rs has not been updated in over a year.
- •fen-rs, chess-lab are pre-1.0 — API may change.