]> git.sesse.net Git - stockfish/commit
Improve history updates
authorStefan Geschwentner <stgeschwentner@gmail.com>
Mon, 6 Sep 2021 09:22:58 +0000 (11:22 +0200)
committerStéphane Nicolet <cassio@free.fr>
Mon, 6 Sep 2021 12:19:47 +0000 (14:19 +0200)
commitc31fc8d163ed2c5ff5697206f8a5eef65efa0044
tree3d339d1f4f2f969caccd35e7e745403ef6bc9889
parentbe63ce1bb59d24cce3346be0e41923204ffcca13
Improve history updates

If a search failed low at an expected PV or CUT node do greater history updates.

STC:
LLR: 2.94 (-2.94,2.94) <-0.50,2.50>
Total: 95112 W: 24293 L: 23982 D: 46837
Ptnml(0-2): 285, 10893, 24906, 11170, 302
https://tests.stockfishchess.org/tests/view/6132aa1a2ffb3c36aceb926f

LTC:
LLR: 2.94 (-2.94,2.94) <0.50,3.50>
Total: 116352 W: 29450 L: 28975 D: 57927
Ptnml(0-2): 93, 12263, 32984, 12748, 88
https://tests.stockfishchess.org/tests/view/613394d12ffb3c36aceb92f4

closes https://github.com/official-stockfish/Stockfish/pull/3693

Bench: 6130736
src/search.cpp