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Tweak statscore for captures

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Followup of a recent patch that separated statscore for captures and non-captures.
Lower value that we subtract from statscore if a move is a capture.

Passed STC:
https://tests.stockfishchess.org/tests/view/67385b6786d5ee47d953eeba
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 50592 W: 13223 L: 12888 D: 24481
Ptnml(0-2): 154, 5853, 12931, 6220, 138

Passed LTC:
https://tests.stockfishchess.org/tests/view/6739056e86d5ee47d953ef3f
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 23598 W: 6155 L: 5862 D: 11581
Ptnml(0-2): 16, 2466, 6543, 2757, 17

closes https://github.com/official-stockfish/Stockfish/pull/5682

Bench: 771180
This commit is contained in:
Michael Chaly 2024-11-17 09:19:06 +03:00 • committed by Disservin
parent 82b092ca48
commit f129bf0de9
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@ -1184,7 +1184,7 @@ moves_loop: // When in check, search starts here
if (capture)
ss->statScore =
thisThread->captureHistory[movedPiece][move.to_sq()][type_of(pos.captured_piece())]
- 13000;
- 11000;
else
ss->statScore = 2 * thisThread->mainHistory[us][move.from_to()]
+ (*contHist[0])[movedPiece][move.to_sq()]