From 6a09a24cd89e81662d55131b2d91396d4d1fe72a Mon Sep 17 00:00:00 2001 From: FauziAkram Date: Wed, 2 Jul 2025 22:50:51 +0300 Subject: [PATCH] Remove depth condition from ttCapture reduction Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 25920 W: 6822 L: 6593 D: 12505 Ptnml(0-2): 54, 2932, 6783, 3113, 78 https://tests.stockfishchess.org/tests/view/6853f9c2038630d25f468672 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 177318 W: 45339 L: 45278 D: 86701 Ptnml(0-2): 85, 19333, 49765, 19388, 88 https://tests.stockfishchess.org/tests/view/6854468a038630d25f4686c0 closes https://github.com/official-stockfish/Stockfish/pull/6149 bench: 2437275 --- src/search.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/search.cpp b/src/search.cpp index 6430c3e32..8decb5d1e 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1202,7 +1202,7 @@ moves_loop: // When in check, search starts here // Increase reduction if ttMove is a capture if (ttCapture) - r += 1210 + (depth < 8) * 963; + r += 1350; // Increase reduction if next ply has a lot of fail high if ((ss + 1)->cutoffCnt > 2)