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Turns out DeepMind has already been working on exploring variants with Vladimir Kramnik! https://www.chess.com/article/view/no-castling-chess-kramnik-alphazero

Turns out DeepMind has already been working on exploring variants with Vladimir Kramnik! https://www.chess.com/article/view/no-castling-chess-kramnik-alphazero https://www.chess.com/article/view/no-castling-chess-kramnik... Currently they have to train from scratch, but adapting to new tasks is an active area of research for RL broadly.

dmurray 7y ago
No-castling chess didn't need to be trained from scratch. Starting with a trained or partly-trained AlphaZero would certainly have worked, since no-castling chess is a strict subset of chess. The only reason not to is if you are DeepMind and training resources are really cheap. For more esoteric variants like this, it makes sense to start from scratch, though eventually you could imagine an AI that is good at adapting to all perfect-information two-player games, or even others.