]> git.sesse.net Git - stockfish/commit
Further improve history updates
authorStefan Geschwentner <stgeschwentner@gmail.com>
Tue, 7 Sep 2021 11:22:20 +0000 (13:22 +0200)
committerStéphane Nicolet <cassio@free.fr>
Tue, 7 Sep 2021 17:59:14 +0000 (19:59 +0200)
commitb7b6b4ba18bc9d291c2c2fd300c22a3e008dcbb2
tree0efe573903ed0423954bbdc1693efb61d9593b06
parentc31fc8d163ed2c5ff5697206f8a5eef65efa0044
Further improve history updates

Now even double history updates if a search failed low at an expected PV or CUT node.

STC:
LLR: 2.93 (-2.94,2.94) <-0.50,2.50>
Total: 30736 W: 7891 L: 7674 D: 15171
Ptnml(0-2): 90, 3477, 8017, 3694, 90
https://tests.stockfishchess.org/tests/view/61364ae30cd98ab40c0c9da5

LTC:
LLR: 2.94 (-2.94,2.94) <0.50,3.50>
Total: 73600 W: 18684 L: 18326 D: 36590
Ptnml(0-2): 41, 7734, 20899, 8078, 48
https://tests.stockfishchess.org/tests/view/6136940f0cd98ab40c0c9df3

closes https://github.com/official-stockfish/Stockfish/pull/3694

Bench: 6030657
src/search.cpp