Make Pv search shallower in some cases#272
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peregrineshahin merged 1 commit intomainfrom Apr 23, 2025
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Conditions are the same as they are for doShallowerSearch, just that they also apply for cases where LMR wasn't reducing anything - if result is bad enough reduce search depth of PV search by 1. Credits to @Vizvezdenec bench: 4272130
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Conditions are the same as they are for doShallowerSearch, just that they also apply for cases where LMR wasn't reducing anything - if result is bad enough reduce search depth of PV search by 1. Elo | 2.72 +- 2.16 (95%) SPRT | 8.0+0.08s Threads=1 Hash=16MB LLR | 2.90 (-2.25, 2.89) [0.00, 4.00] Games | N: 27854 W: 6784 L: 6566 D: 14504 Penta | [120, 3290, 6908, 3470, 139] https://rickdiculous.pythonanywhere.com/test/4204/ Credits to @Vizvezdenec bench: 4272130
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Conditions are the same as they are for doShallowerSearch, just that
they also apply for cases where LMR wasn't reducing anything - if result
is bad enough reduce search depth of PV search by 1.
Elo | 2.72 +- 2.16 (95%)
SPRT | 8.0+0.08s Threads=1 Hash=16MB
LLR | 2.90 (-2.25, 2.89) [0.00, 4.00]
Games | N: 27854 W: 6784 L: 6566 D: 14504
Penta | [120, 3290, 6908, 3470, 139]
https://rickdiculous.pythonanywhere.com/test/4204/
Credits to @Vizvezdenec
bench: 4272130