HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-20 00:56:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

Halve rook on open file bonus for endgame

Browse Source 
After 42206 fast games TC 2"+0.05
Mod vs Orig 12871 - 16849 - 12486 ELO +3 (+- 2.6)

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-01-08 09:58:03 +01:00
parent c2a68708ef
commit b966adf103
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/evaluate.cpp
View File

@@ -155,8 +155,8 @@ namespace {
const Score QueenOn7thBonus = make_score(27, 54); const Score QueenOn7thBonus = make_score(27, 54);
// Rooks on open files (modified by Joona Kiiski) // Rooks on open files (modified by Joona Kiiski)
const Score RookOpenFileBonus = make_score(43, 43); const Score RookOpenFileBonus = make_score(43, 21);
const Score RookHalfOpenFileBonus = make_score(19, 19); const Score RookHalfOpenFileBonus = make_score(19, 10);
// Penalty for rooks trapped inside a friendly king which has lost the // Penalty for rooks trapped inside a friendly king which has lost the
// right to castle. // right to castle.