Latest abrok Development Version May 26th (SF The gift that keeps on giving

Windows x64 for Haswell CPUs
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Windows x64 + SSSE3
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Linux x64 for modern computers + AVX2
Linux x64 for modern computers
Linux x64 + SSSE3
Linux x64
Author: Linmiao Xu
Date: Sun May 26 20:32:30 2024 +0200
Timestamp: 1716748350

Lower smallnet threshold with tuned eval params

The smallnet threshold is now below the training data range
of the current smallnet (simple eval diff > 1k, nn-baff1edelf90.nnue)
when no pawns are on the board.

Params found with spsa at 93k / 120k games at 60+06:
https://tests.stockfishchess.org/tests/view/664fa166a86388d5e27d7d6b

Tuned on top of: https://github.com/official-stockfish/Stockfish/pull/5287

Passed STC:
https://tests.stockfishchess.org/tests/view/664fc8b7a86388d5e27d8dac
LLR: 2.96 (-2.94,2.94) <0.00,2.00>
Total: 64672 W: 16731 L: 16371 D: 31570 Elo +1.93
Ptnml(0-2): 239, 7463, 16517, 7933, 184

Passed LTC:
https://tests.stockfishchess.org/tests/view/664fd5f9a86388d5e27d8dfe
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 210648 W: 53489 L: 52813 D: 104346 Elo +1.11
Ptnml(0-2): 102, 23129, 58164, 23849, 80

closes https://github.com/official-stockfish/Stockfish/pull/5288

Bench: 1717838
see source