Fix the explanation of the backward pawn evaluation

chesslablab / php-chess

A chess library for PHP.

https://chesslablab.github.io/php-chess/

MIT License

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Fix the explanation of the backward pawn evaluation #501

Closed programarivm closed 5 months ago

programarivm commented 5 months ago

The explain() method in Chess\Eval\BackwardPawnEval needs to explain the result obtained in terms of the difference in the $phrase array rather than in absolute terms of what is found. This one is a discrete evaluation.