Rating JCER=3144
Stockfish 21060121 and NNUE download
Timestamp: 1622575528
Pre-initialize ss->ply
We pre-initialize ss->ply over the whole stack. There is no need to re-assign the same value(s) over and over again while searching. Probably a tiny speedup on longer searches.
Tested for no regression:
STC
LLR: 2.93 (-2.94,2.94) <-2.50,0.50>
Total: 25784 W: 2205 L: 2101 D: 21478 Elo +1.40
Ptnml(0-2): 62, 1660, 9368, 1716, 86
https://tests.stockfishchess.org/tests/view/60b516c6457376eb8bca9dfa
LTC
LLR: 2.94 (-2.94,2.94) <-2.50,0.50>
Total: 26200 W: 944 L: 878 D: 24378 Elo +0.88
Ptnml(0-2): 12, 732, 11545, 800, 11
https://tests.stockfishchess.org/tests/view/60b53652457376eb8bca9e0e
No functional change.

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