Relevance: Does the GPL license attach to modified neural net weights? (I do not know).
Stockfish NNUE, the world's strongest chess engine, is GPLv3 licensed. Fat Fritz 2 is a commercial fork with modified, undisclosed neural net weights (the Stockfish project alleges).
Stockfish NNUE, the world's strongest chess engine, is GPLv3 licensed. Fat Fritz 2 is a commercial fork with modified, undisclosed neural net weights (the Stockfish project alleges).