Transposition table improvements

[codecov-commenter]

Codecov Report

Base: 88.94% // Head: 88.73% // Decreases project coverage by -0.20% :warning:

Coverage data is based on head (a2f0e64) compared to base (ddd34eb). Patch coverage: 83.60% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #145 +/- ## ========================================== - Coverage 88.94% 88.73% -0.21% ========================================== Files 67 67 Lines 3971 4040 +69 ========================================== + Hits 3532 3585 +53 - Misses 439 455 +16 ``` | [Impacted Files](https://codecov.io/gh/FitzOReilly/fatalii/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck) | Coverage Δ | | |---|---|---| | [fatalii/src/lib.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-ZmF0YWxpaS9zcmMvbGliLnJz) | `0.00% <0.00%> (ø)` | | | [search/tests/search.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-c2VhcmNoL3Rlc3RzL3NlYXJjaC5ycw==) | `77.72% <ø> (ø)` | | | [uci/src/uci\_option.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-dWNpL3NyYy91Y2lfb3B0aW9uLnJz) | `91.66% <ø> (ø)` | | | [uci/tests/uci.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-dWNpL3Rlc3RzL3VjaS5ycw==) | `100.00% <ø> (ø)` | | | [perft/src/lib.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-cGVyZnQvc3JjL2xpYi5ycw==) | `90.90% <40.00%> (-9.10%)` | :arrow_down: | | [search/src/negamax.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-c2VhcmNoL3NyYy9uZWdhbWF4LnJz) | `93.79% <63.63%> (-2.02%)` | :arrow_down: | | [movegen/src/transposition\_table.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-bW92ZWdlbi9zcmMvdHJhbnNwb3NpdGlvbl90YWJsZS5ycw==) | `84.84% <79.54%> (-10.03%)` | :arrow_down: | | [search/src/negamax\_entry.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-c2VhcmNoL3NyYy9uZWdhbWF4X2VudHJ5LnJz) | `89.47% <81.81%> (-10.53%)` | :arrow_down: | | [search/src/alpha\_beta\_entry.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-c2VhcmNoL3NyYy9hbHBoYV9iZXRhX2VudHJ5LnJz) | `97.95% <94.11%> (-2.05%)` | :arrow_down: | | [search/src/alpha\_beta.rs](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck#diff-c2VhcmNoL3NyYy9hbHBoYV9iZXRhLnJz) | `99.30% <100.00%> (+0.01%)` | :arrow_up: | | ... and [1 more](https://codecov.io/gh/FitzOReilly/fatalii/pull/145/diff?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck) | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Patrick+Heck)

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