]> git.sesse.net Git - stockfish/commit
Pawns count imbalance table
authorjoergoster <osterj165@googlemail.com>
Fri, 17 Mar 2017 21:41:08 +0000 (14:41 -0700)
committerJoona Kiiski <joona@zoox.com>
Fri, 17 Mar 2017 21:41:08 +0000 (14:41 -0700)
commitc076216a32f6952d443eeeaaaea24bed9ebafa12
treede866f480b8833158d3200604ba8ce5d57a3b1b3
parenta6d6a2c2fad093a47b575ee4cfb8d346ba037fb3
Pawns count imbalance table

Instead of having a continuous increasing bonus for our number of pawns when calculating imbalance, use a separate lookup array with tuned values.
Idea by GuardianRM.

STC
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 16155 W: 2980 L: 2787 D: 10388

LTC
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 100478 W: 13055 L: 12615 D: 74808

Bench: 6128779

Closes #1030
src/material.cpp