]> git.sesse.net Git - stockfish/commit
Give extra bonus to main history for moves that caused a fail low. #4744
authorMichael Chaly <Vizvezdenec@gmail.com>
Sun, 13 Aug 2023 08:03:28 +0000 (11:03 +0300)
committerDisservin <disservin.social@gmail.com>
Sun, 13 Aug 2023 09:38:24 +0000 (11:38 +0200)
commitd97a02ea2b9328e666aff7a906820c9ec65ab381
tree13c306825f9653c8d24861b5083405708df42d75
parent4be94f41a6119f6d463e13adc6aaf5e02383da63
Give extra bonus to main history for moves that caused a fail low. #4744

Current master gives this type of bonuses to continuation history, this patch also gives them to main history.

Passed STC:
https://tests.stockfishchess.org/tests/view/64d4802a5b17f7c21c0e27b3
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 480768 W: 122767 L: 121798 D: 236203
Ptnml(0-2): 1563, 56190, 123834, 57309, 1488

Passed LTC:
https://tests.stockfishchess.org/tests/view/64d7e4c05b17f7c21c0e7456
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 32052 W: 8329 L: 8022 D: 15701
Ptnml(0-2): 19, 3335, 9015, 3634, 23

closes https://github.com/official-stockfish/Stockfish/pull/4744

Bench: 1711793
src/search.cpp