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Hydra 1.1.1 - new version chess engine

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Hydra - UCI-compatible chess engine written in pure Python — no C extensions, no numpy, no external dependencies.
Estimated strength: ~2000 Elo (Stockfish UCI_Elo calibration, 100 ms/move).
Author: Miloslav Macůrek

Hydra 1.1.1 what's new?
Mate-search correctness release.

Fixed
Hydra no longer stops iterative deepening at the first forced mate it finds unless it is already mate-in-1.
Mate-like previous scores now disable aspiration windows, allowing deeper iterations to find shorter mating lines instead of staying trapped around an earlier mate score.
Added regression coverage to ensure iterative deepening continues after a forced mate score.


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