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Simplify pieceValue to one phase.

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Simplifies the usage of pieceValues to mg values with the exception of pawnValues, After the removal of PSQT.

passed STC:
https://tests.stockfishchess.org/tests/view/64d147845b17f7c21c0dd86c
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 197248 W: 50168 L: 50125 D: 96955
Ptnml(0-2): 651, 23029, 51222, 23070, 652

passed LTC:
https://tests.stockfishchess.org/tests/view/64d212de5b17f7c21c0debbb
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 181170 W: 45949 L: 45893 D: 89328
Ptnml(0-2): 84, 19656, 51052, 19706, 87

closes https://github.com/official-stockfish/Stockfish/pull/4734

Bench: 1494401
This commit is contained in:
Shahin M. Shahin
2023-08-07 22:27:12 +03:00
committed by Disservin
parent 495852fecd
commit 3322349c1a
5 changed files with 24 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/movepick.cpp
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@@ -122,7 +122,7 @@ void MovePicker::score() {
for (auto& m : *this)
if constexpr (Type == CAPTURES)
m.value = (7 * int(PieceValue[MG][pos.piece_on(to_sq(m))])
m.value = (7 * int(PieceValue[pos.piece_on(to_sq(m))])
+ (*captureHistory)[pos.moved_piece(m)][to_sq(m)][type_of(pos.piece_on(to_sq(m)))]) / 16;
else if constexpr (Type == QUIETS)
@@ -165,7 +165,7 @@ void MovePicker::score() {
else // Type == EVASIONS
{
if (pos.capture_stage(m))
m.value = PieceValue[MG][pos.piece_on(to_sq(m))]
m.value = PieceValue[pos.piece_on(to_sq(m))]
- Value(type_of(pos.moved_piece(m)))
+ (1 << 28);
else