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Ratsu 1.1.0 - new chess engines

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Ratsu - UCI chess engines
Author: Eetu Rantala

Ratsu 1.1.0 what's new?

This release brings tuned evaluation weights and late move reductions to Ratsu. Gauntlet tournament against Blunder v5 and Stash v14 suggest that Ratsu 1.1.0 would land at around ~2023 Elo CCRL.

What's Changed
Add evaluation tuning and use tuned weights ~98 Elo
Add late move reductions (simple now) ~24 Elo
PVS fix and removing pv-move from move ordering ~20 Elo




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