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QS Pruning Simplification

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Remove depth dependence in QS pruning

STC:
LLR: 2.95 (-2.94,2.94) {-1.25,0.25}
Total: 40536 W: 4442 L: 4358 D: 31736
Ptnml(0-2): 209, 3330, 13118, 3390, 221
https://tests.stockfishchess.org/tests/view/5f49035b3def6407861152f9

LTC:
LLR: 2.95 (-2.94,2.94) {-0.75,0.25}
Total: 97104 W: 5164 L: 5130 D: 86810
Ptnml(0-2): 103, 4478, 39377, 4470, 124
https://tests.stockfishchess.org/tests/view/5f4939d53def640786115322

closes https://github.com/official-stockfish/Stockfish/pull/3077

Bench: 3865238
This commit is contained in:
VoyagerOne
2020-08-29 21:13:05 -04:00
committed by Joost VandeVondele
parent c02b3a4c7a
commit 9b5b9ec9a6
1 changed files with 1 additions and 1 deletions
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src/search.cpp
+1 -1
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@@ -1585,7 +1585,7 @@ moves_loop: // When in check, search starts from here
[to_sq(move)]; [to_sq(move)];
if ( !captureOrPromotion if ( !captureOrPromotion
&& moveCount >= abs(depth) + 1 && moveCount
&& (*contHist[0])[pos.moved_piece(move)][to_sq(move)] < CounterMovePruneThreshold && (*contHist[0])[pos.moved_piece(move)][to_sq(move)] < CounterMovePruneThreshold
&& (*contHist[1])[pos.moved_piece(move)][to_sq(move)] < CounterMovePruneThreshold) && (*contHist[1])[pos.moved_piece(move)][to_sq(move)] < CounterMovePruneThreshold)
continue; continue;