Uh, no. I agree with you. Those are exercises... Or something like that...
Cough...I do competitive swimming in the past, it is a sport, not just an exercise!
Personally I don't think it's a sport, but the Olympic Committee does....
I'm just waiting for when they consider Jenga or Starcraft a sport. Starcraft is extremely competitive and it does involve hours of training for serious gamers in Korea. They even host contests that attract crowds bigger than Superbowl.
Chess is a game. A great game sent to us from the game gods of our ancestors. But there is no way I will agree that is is a sport. It can be competitive. But so can getting a shower at the Y.