]> git.sesse.net Git - stockfish/commit - src/search.cpp
Sometimes do a reduced search if LMR is skipped
authorAlfredo Menezes <lomalfredo8@gmail.com>
Mon, 19 Dec 2022 19:07:09 +0000 (16:07 -0300)
committerJoost VandeVondele <Joost.VandeVondele@gmail.com>
Mon, 19 Dec 2022 19:46:04 +0000 (20:46 +0100)
commitc2d507005c51145211a7963af7c41026bd759d08
treeb052dfdc45f3da35a423b477388f4ea0c2445124
parent61ea1534ff7026009a3435575c7beee91534db83
Sometimes do a reduced search if LMR is skipped

If the node doesn't go through LMR and r is too big,
reduce search depth by one ply.

STC:
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 664888 W: 176375 L: 175169 D: 313344
Ptnml(0-2): 1965, 73754, 179851, 74858, 2016
https://tests.stockfishchess.org/tests/view/6399414c93ed41c57ede8fb8

LTC:
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 150784 W: 40553 L: 40031 D: 70200
Ptnml(0-2): 76, 14668, 45387, 15180, 81
https://tests.stockfishchess.org/tests/view/639dee6e11c576d919dc2b38

closes https://github.com/official-stockfish/Stockfish/pull/4290

Bench: 3727508
src/search.cpp