HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-21 01:27:16 +08:00
Code Issues Packages Projects Releases Wiki Activity

Tuned history reduction

Browse Source 
Value after a long Bayesian tuning, using a home-made classification approach.

STC
https://tests.stockfishchess.org/tests/view/5e7c7b16e42a5c3b3ca2eb66
LLR: 2.96 (-2.94,2.94) {-0.50,1.50}
Total: 45472 W: 8992 L: 8732 D: 27748
Ptnml(0-2): 795, 5276, 10352, 5500, 813

LTC
https://tests.stockfishchess.org/tests/view/5e7c8be7e42a5c3b3ca2eb75
LLR: 2.94 (-2.94,2.94) {0.25,1.75}
Total: 22744 W: 3085 L: 2849 D: 16810
Ptnml(0-2): 156, 2090, 6658, 2298, 170

closes https://github.com/official-stockfish/Stockfish/pull/2597

Bench 5030855
This commit is contained in:
Lyudmil Antonov
2020-02-17 11:13:03 +02:00
committed by Joost VandeVondele
parent c8e8e48b14
commit 58746d9fb8
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/search.cpp
View File

@@ -1182,7 +1182,7 @@ moves_loop: // When in check, search starts from here
r++;
// Decrease/increase reduction for moves with a good/bad history (~30 Elo)
r -= ss->statScore / 16384;
r -= ss->statScore / 16434;
}
// Increase reduction for captures/promotions if late move and at low depth