Lasker is a representative of the will in the art of chess, which for him is primarily a struggle.
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If before him the positional game triumphed, where the player went from position to position, avoiding weak points and trying to create them for the opponent, then Capablanca canceled all this and introduced dynamics.
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The essence of the coup made by Alekhine is that for the first time he began to build the game from Black's point of view.