3 ms·
They do mention "MuZero only masks legal actions at the root of the search tree... does not perform any masking within the search tree". So it's not an instant-
by sanxiyn 7y ago
They do mention "MuZero only masks legal actions at the root of the search tree... does not perform any masking within the search tree". So it's not an instant-loss rule.
- gwern 7y agoSearching within its internal game tree is different from what it actually does in the game-trajectory-generation phase. It could be entirely true that the search does not do anything at all to handle illegal moves, relying on the RNN being good enough to predict that illegal moves are never taken, and that the actual game-playing masks it out, or instant-loses, or something else entirely.