STC https://tests.stockfishchess.org/tests/view/
5f2d237161e3b6af64881f43
LLR: 2.96 (-2.94,2.94) {-0.50,1.50}
Total: 12712 W: 1823 L: 1664 D: 9225
Ptnml(0-2): 122, 1166, 3627, 1313, 128
LTC https://tests.stockfishchess.org/tests/view/
5f2d473061e3b6af64881f6f
LLR: 2.96 (-2.94,2.94) {0.25,1.75}
Total: 12104 W: 912 L: 788 D: 10404
Ptnml(0-2): 13, 665, 4582, 769, 23
closes https://github.com/official-stockfish/Stockfish/pull/2930
bench:
4271421
// Step 8. Futility pruning: child node (~50 Elo)
if ( !PvNode
- && depth < 6
+ && depth < 8
&& eval - futility_margin(depth, improving) >= beta
&& eval < VALUE_KNOWN_WIN) // Do not return unproven wins
return eval;