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Remove pawn history from ProbCut constructor

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use same style as other history tables

Passed STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 184672 W: 46953 L: 46896 D: 90823
Ptnml(0-2): 604, 21095, 48887, 21140, 610
https://tests.stockfishchess.org/tests/view/654766b4136acbc573526602

closes https://github.com/official-stockfish/Stockfish/pull/4865

No functional change
This commit is contained in:
Taras Vuk
2023-11-06 15:00:06 +01:00
committed by Joost VandeVondele
parent 442c294a07
commit d0e87104aa
3 changed files with 12 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/movepick.cpp
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@@ -89,7 +89,7 @@ MovePicker::MovePicker(const Position& p,
const ButterflyHistory* mh,
const CapturePieceToHistory* cph,
const PieceToHistory** ch,
const PawnHistory& ph,
const PawnHistory* ph,
Move cm,
const Move* killers) :
pos(p),
@@ -112,7 +112,7 @@ MovePicker::MovePicker(const Position& p,
const ButterflyHistory* mh,
const CapturePieceToHistory* cph,
const PieceToHistory** ch,
const PawnHistory& ph,
const PawnHistory* ph,
Square rs) :
pos(p),
mainHistory(mh),
@@ -129,11 +129,9 @@ MovePicker::MovePicker(const Position& p,
// Constructor for ProbCut: we generate captures with SEE greater
// than or equal to the given threshold.
MovePicker::MovePicker(
const Position& p, Move ttm, Value th, const CapturePieceToHistory* cph, const PawnHistory& ph) :
MovePicker::MovePicker(const Position& p, Move ttm, Value th, const CapturePieceToHistory* cph) :
pos(p),
captureHistory(cph),
pawnHistory(ph),
ttMove(ttm),
threshold(th) {
assert(!pos.checkers());
@@ -188,6 +186,7 @@ void MovePicker::score() {
m.value += (*continuationHistory[2])[pc][to] / 4;
m.value += (*continuationHistory[3])[pc][to];
m.value += (*continuationHistory[5])[pc][to];
m.value += (*pawnHistory)[pawn_structure(pos)][pc][to];
// bonus for checks
m.value += bool(pos.check_squares(pt) & to) * 16384;
@@ -209,8 +208,6 @@ void MovePicker::score() {
: pt != PAWN ? bool(to & threatenedByPawn) * 15000
: 0)
: 0;
m.value += pawnHistory[pawn_structure(pos)][pc][to];
}
else // Type == EVASIONS
@@ -221,7 +218,7 @@ void MovePicker::score() {
else
m.value = (*mainHistory)[pos.side_to_move()][from_to(m)]
+ (*continuationHistory[0])[pos.moved_piece(m)][to_sq(m)]
+ pawnHistory[pawn_structure(pos)][pos.moved_piece(m)][to_sq(m)];
+ (*pawnHistory)[pawn_structure(pos)][pos.moved_piece(m)][to_sq(m)];
}
}