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Tweak correction history factors

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The values are taken from this tuning
https://tests.stockfishchess.org/tests/view/679c4e150774dfd78deaf376
which added also a new material correction history. The full tune
doesn't work but ignoring the new history results in this changes.

Passed STC:
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 102368 W: 27057 L: 26638 D: 48673
Ptnml(0-2): 394, 12031, 25949, 12382, 428
https://tests.stockfishchess.org/tess/view/679d2ca70774dfd78deaf796

Passed LTC:
LLR: 2.96 (-2.94,2.94) <0.50,2.50>
Total: 55044 W: 14215 L: 13855 D: 26974
Ptnml(0-2): 43, 5956, 15172, 6300, 51
https://tests.stockfishchess.org/tests/view/679d30be0774dfd78deafda2

closes https://github.com/official-stockfish/Stockfish/pull/5841

Bench: 3068583
This commit is contained in:
Stefan Geschwentner
2025-02-02 13:43:32 +01:00
committed by Disservin
parent 7690fac5cf
commit c83ddd9e4b
3 changed files with 9 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/position.cpp
+2 -11
View File
@@ -335,6 +335,7 @@ void Position::set_check_info() const {
void Position::set_state() const {
st->key = st->materialKey = 0;
st->minorPieceKey = 0;
st->nonPawnKey[WHITE] = st->nonPawnKey[BLACK] = 0;
st->pawnKey = Zobrist::noPawns;
st->nonPawnMaterial[WHITE] = st->nonPawnMaterial[BLACK] = VALUE_ZERO;
@@ -362,11 +363,6 @@ void Position::set_state() const {
if (type_of(pc) <= BISHOP)
st->minorPieceKey ^= Zobrist::psq[pc][s];
}
else
{
st->minorPieceKey ^= Zobrist::psq[pc][s];
}
}
}
@@ -867,12 +863,7 @@ void Position::do_move(Move m,
{
st->nonPawnKey[us] ^= Zobrist::psq[pc][from] ^ Zobrist::psq[pc][to];
if (type_of(pc) == KING)
{
st->minorPieceKey ^= Zobrist::psq[pc][from] ^ Zobrist::psq[pc][to];
}
else if (type_of(pc) <= BISHOP)
if (type_of(pc) <= BISHOP)
st->minorPieceKey ^= Zobrist::psq[pc][from] ^ Zobrist::psq[pc][to];
}