Fix draw recognition - Githubissues

TimJentzsch / stonefish_engine

An amateur chess engine written in Rust.

https://lichess.org/@/StonefishEngine

GNU General Public License v3.0

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Closed TimJentzsch closed 1 year ago

TimJentzsch commented 1 year ago

Fixes #11.

This fixes two bugs:

Sometimes the repetition table was not updated correctly. The updating is now also simpler than before.
Draws were wrongly compared to material evaluations. This could lead to the bot forcing a draw in a winning position.