Increase NMP reduction when improving

Passed STC:
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 52896 W: 13904 L: 13565 D: 25427
Ptnml(0-2): 186, 6022, 13706, 6335, 199
https://tests.stockfishchess.org/tests/view/68e67d02a017f472e763dfaf

Passed LTC:
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 168354 W: 43750 L: 43163 D: 81441
Ptnml(0-2): 81, 18284, 46882, 18827, 103
https://tests.stockfishchess.org/tests/view/68e79d7ba017f472e763e352

closes https://github.com/official-stockfish/Stockfish/pull/6361

bench: 2537382
This commit is contained in:
Taras Vuk
2025-11-01 10:28:02 +01:00
committed by Joost VandeVondele
parent 75edbee01e
commit b9e3e7921b
+1 -1
View File
@@ -869,7 +869,7 @@ Value Search::Worker::search(
assert((ss - 1)->currentMove != Move::null());
// Null move dynamic reduction based on depth
Depth R = 6 + depth / 3;
Depth R = 6 + depth / 3 + improving;
ss->currentMove = Move::null();
ss->continuationHistory = &continuationHistory[0][0][NO_PIECE][0];