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New version chess engines: CalvinChess 3.3.0 (java)

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Calvin Chess - java chess engine

v.3.3.0:
Calvin v3.3.0 comes with the following new features:

Evaluation parameters tuned using the Texel Tuning method
Late-move pruning implemented in the search algorithm
Pawn hashtable to cache pawn structure score during evaluation
UCI-compatible pondering (enabled by default, but can be disabled via UCI option)
Fixed a horrible bug in the Zobrist hashing logic which couldn't handle en passant...
Stopped clearing the history table between each search (credit to Lynx for the idea)
The last changes have amounted to a gain of 160 elo on Lichess, where Calvin is rated almost 2600!

For any questions about the release or latest features, don't hesitate to get in touch.

CalvinChess 3.3.0 download


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