Inanis 1.4.0 released
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A new update of the Inanis chess engine: check extensions, relative PST, countermove heuristic.
Strength: 2950 Elo, Link: https://github.com/Tearth/Inanis/releases/tag/v1.4.0
Changelog
- Added relative PST
- Added check extensions
- Added countermove heuristic
- Added simplified benchmark when “dev” feature is not enabled
- Added history table penalties and reduced aging divisor
- Added non-standard “fen” command to UCI
- Added crash when the best move is invalid (only in dev version)
- Added pawn attacks cache
- Added support for LZCNT instruction
- Improved evaluation parameters by using a new dataset for tuning
- Improved search parameters
- Improved header, now it also includes LLVM version, target, profile and enabled features
- Renamed “tunerset” command to “dataset”
- Merged “bindgen” and “syzygy” features
- Fixed rare bug with invalid moves when a search was aborted
- Fixed crash when ply is larger than the killer table size
- Fixed performance overhead of setting a new position
History version
| Version | Release date | Elo | Description |
|---|---|---|---|
| 1.4.0 | 03-08-2024 | 2950 | Check extensions, relative PST, countermove heuristic |
| 1.3.0 | 14-06-2024 | 2900 | Gradient descent tuner, improved SEE and evaluation |
| 1.2.0 | 15-01-2023 | 2850 | Better Syzygy support, performance and stability improvement |
| 1.1.1 | 14-08-2022 | 2800 | A bunch of fixes for reported issues, stability improvement |
| 1.1.0 | 31-07-2022 | 2800 | Syzygy tablebases, MultiPV, adjusted evaluation |
| 1.0.1 | 05-04-2022 | 2750 | A bunch of fixes for reported issues, stability improvement |
| 1.0.0 | 02-04-2022 | 2750 | Initial release |
