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1163d97)
Allow now for the first five moves a two plies deeper LMR search.
STC:
LLR: 2.96 (-2.94,2.94) <-2.50,0.50>
Total: 99608 W: 25143 L: 25115 D: 49350
Ptnml(0-2): 291, 11444, 26328, 11428, 313
https://tests.stockfishchess.org/tests/view/
61718c9438cb9784038af8d7
LTC:
LLR: 2.95 (-2.94,2.94) <-2.50,0.50>
Total: 52064 W: 13234 L: 13145 D: 25685
Ptnml(0-2): 35, 5431, 15014, 5514, 38
https://tests.stockfishchess.org/tests/view/
6171e13e38cb9784038af928
closes https://github.com/official-stockfish/Stockfish/pull/3760
Bench:
7222293
// are really negative and movecount is low, we allow this move to be searched
// deeper than the first move (this may lead to hidden double extensions).
int deeper = r >= -1 ? 0
// are really negative and movecount is low, we allow this move to be searched
// deeper than the first move (this may lead to hidden double extensions).
int deeper = r >= -1 ? 0
- : moveCount <= 3 ? 2
- : moveCount <= 5 ? 1
: PvNode && depth > 6 ? 1
: 0;
: PvNode && depth > 6 ? 1
: 0;