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Chess engine: Stockfish 21072607 (Windows and Linux)


Stockfish - UCI chess engine, compiled by SFisGOD
Rating JCER=3559

Timestamp: 1627536913
Update default net to nn-56a5f1c4173a.nnue

SPSA 1: https://tests.stockfishchess.org/tests/view/60fd24efd8a6b65b2f3a796e
Parameters: A total of 256 net biases were tuned (hidden layer 2)
New best values: Half of the changes from the tuning run
New net: nn-5992d3ba79f3.nnue

SPSA 2: https://tests.stockfishchess.org/tests/view/60fec7d6d8a6b65b2f3a7aa2
Parameters: A total of 128 net biases were tuned (hidden layer 1)
New best values: Half of the changes from the tuning run
New net: nn-56a5f1c4173a.nnue

STC:
LLR: 2.94 (-2.94,2.94) <-0.50,2.50>
Total: 140392 W: 10863 L: 10578 D: 118951 Elo +0.71
Ptnml(0-2): 347, 8754, 51718, 9021, 356
https://tests.stockfishchess.org/tests/view/610037e396b86d98abf6a79e

LTC:
LLR: 2.95 (-2.94,2.94) <0.50,3.50>
Total: 14216 W: 454 L: 355 D: 13407 Elo +2.42
Ptnml(0-2): 4, 323, 6356, 420, 5
Closes #3633
Bench: 4801359

Stockfish 14072607 NNUE download

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