not necessarily. the captains' powers vary greatly. we still don't know just how powerful some of them are since not all of them have gone all out against someone. it just means that he was at the level of a captain, possibly just the minimum level, possibly somewhere in between. all that really told us is that he was at the power that a captain is expected to be able to put out. he may still not be as strong as the captain that was fighting stark who's name i can't remember