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I saw that video where the old man plays chess against himself. He plays both sides and gradually speeds moves so fast that it looks as if there are two different persons. In fact, in the minute 2:24 you can see three hands as if the producers are mocking of us.

I saw (that video)[

where the old man plays chess against himself. He plays both sides and gradually speeds moves so fast that it looks as if there are two different persons. In fact, in the minute 2:24 yo can see three hands as if the producers are mocking of us.