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Remove major corrhist

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Remove major correction history and slightly increase all other
correction weights.

Passed STC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 50080 W: 13171 L: 12959 D: 23950
Ptnml(0-2): 196, 5998, 12462, 6166, 218
https://tests.stockfishchess.org/tests/live_elo/67954526406a4efe9eb7d176

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 51504 W: 13188 L: 12995 D: 25321
Ptnml(0-2): 54, 5658, 14128, 5865, 47
https://tests.stockfishchess.org/tests/live_elo/67954961406a4efe9eb7d251

closes https://github.com/official-stockfish/Stockfish/pull/5822

Bench: 2081366
This commit is contained in:
Martin Novák
2025-01-26 22:41:00 +01:00
committed by Disservin
parent 69be04d38e
commit 831cb01cea
5 changed files with 5 additions and 34 deletions
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src/position.h
-4
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@@ -43,7 +43,6 @@ struct StateInfo {
// Copied when making a move
Key materialKey;
Key pawnKey;
Key majorPieceKey;
Key minorPieceKey;
Key nonPawnKey[COLOR_NB];
Value nonPawnMaterial[COLOR_NB];
@@ -154,7 +153,6 @@ class Position {
Key key() const;
Key material_key() const;
Key pawn_key() const;
Key major_piece_key() const;
Key minor_piece_key() const;
Key non_pawn_key(Color c) const;
@@ -305,8 +303,6 @@ inline Key Position::pawn_key() const { return st->pawnKey; }
inline Key Position::material_key() const { return st->materialKey; }
inline Key Position::major_piece_key() const { return st->majorPieceKey; }
inline Key Position::minor_piece_key() const { return st->minorPieceKey; }
inline Key Position::non_pawn_key(Color c) const { return st->nonPawnKey[c]; }