HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-20 17:16:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Assorted trivial cleanups (#1894)

Browse Source 
To address https://github.com/official-stockfish/Stockfish/issues/1862

No functional change.
This commit is contained in:
Marco Costalba
2019-01-01 14:10:26 +01:00
committed by GitHub
parent 79c97625a4
commit eb6d7f537d
10 changed files with 63 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/evaluate.cpp
View File

@@ -213,7 +213,7 @@ namespace {
// kingRing[color] are the squares adjacent to the king, plus (only for a
// king on its first rank) the squares two ranks in front. For instance,
// if black's king is on g8, kingRing[BLACK] is f8, h8, f7, g7, h7, f6, g6
// and h6. It is set to 0 when king safety evaluation is skipped.
// and h6.
Bitboard kingRing[COLOR_NB];
// kingAttackersCount[color] is the number of pieces of the given color
@@ -505,7 +505,7 @@ namespace {
Score score = SCORE_ZERO;
// Non-pawn enemies
nonPawnEnemies = pos.pieces(Them) & ~pos.pieces(Them, PAWN);
nonPawnEnemies = pos.pieces(Them) & ~pos.pieces(PAWN);
// Squares strongly protected by the enemy, either because they defend the
// square with a pawn, or because they defend the square twice and we don't.
@@ -717,8 +717,8 @@ namespace {
behind |= (Us == WHITE ? behind >> 16 : behind << 16);
int bonus = popcount(safe) + popcount(behind & safe);
int weight = pos.count<ALL_PIECES>(Us)
- 2 * popcount(pe->semiopenFiles[WHITE] & pe->semiopenFiles[BLACK]);
int weight = pos.count<ALL_PIECES>(Us)
- 2 * popcount(pe->semiopenFiles[WHITE] & pe->semiopenFiles[BLACK]);
Score score = make_score(bonus * weight * weight / 16, 0);