I'm starting to think it's more than just choking. I just don't think she's good enough to sustain a high level of tennis through the whole fame.
Yeah, she is inconsistent, Very inconsistent. She can't sustain a high level throughout the match, but she can sustain a decent level throughout the match (which was shown in her 1st round match). Today she went amazing to shit in the space of 1 game. When she goes amazing to shit, then you can tell it's a choke
If you watch her play, she plays well up until the final game, and then starts playing crap. She was amazing until 5-1, and then she just tightened up. She went from amazing to shit in the space of a few minutes. She's not relaxed enough on court. She gets nervous (you can see it in her body language), and starts making stupid decisions, and that leads to stupid errors.
Her problems are mentally. She's very weak mentally, and lets the pressure get to her way too easily. But i think thats all to do with her confidence (she wasn't choking during RG and Wimbledon). I don't thinks she has any self belief. I think those factors lead to her choking.
But on a good note about her. I think it's great how she manages to not get angry in those situations. With the amount of choking she does, you would think that she'd let some anger, but she never does. It's impressive really, she's got some great self control (in an anger sense)