HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-21 17:46:26 +08:00
Code Issues Packages Projects Releases Wiki Activity

Score unopposed weak pawns only if majors

Browse Source 
Do not use the opposed flag for scoring backward and isolated pawns
in pawns.cpp, instead give a S(5,25) bonus for each opponent unopposed
weak pawns when we have a rook or a queen on the board.

STC run stopped after 113188 games:
LLR: 1.63 (-2.94,2.94) [0.00,5.00]
Total: 113188 W: 20804 L: 20251 D: 72133
http://tests.stockfishchess.org/tests/view/59b58e4d0ebc5916ff64b12e

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 66673 W: 8672 L: 8341 D: 49660
http://tests.stockfishchess.org/tests/view/59b902580ebc5916ff64b231

This is Alain Savard's idea, just with a different bonus.
Original patch there:

green STC, http://tests.stockfishchess.org/tests/view/597dcd2b0ebc5916ff64a09b
yellow LTC, http://tests.stockfishchess.org/tests/view/597ea69e0ebc5916ff64a0e6

Bench: 6259498
This commit is contained in:
Stéphane Nicolet
2017-09-16 14:07:41 +02:00
committed by Marco Costalba
parent 21926ce2d8
commit 043a469f83
4 changed files with 17 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/thread.cpp
View File

@@ -111,7 +111,7 @@ void Thread::idle_loop() {
/// ThreadPool::init() creates and launches the threads that will go
/// immediately to sleep in idle_loop. We cannot use the c'tor because
/// immediately to sleep in idle_loop. We cannot use the constructor because
/// Threads is a static object and we need a fully initialized engine at
/// this point due to allocation of Endgames in the Thread constructor.