Which compound sentences have the commas in the correct location?

I studied hard for the exam yet, I didn't perform as well as I had hoped.

The sun was shining brightly but, the wind was chilly.

She loves to read books, and he enjoys playing video games.

The team trained diligently, all season but they still didn't make it to the playoffs.

The concert tickets were sold out, so we decided to watch a movie instead.

She loves to read books, and he enjoys playing video games.

The concert tickets were sold out, so we decided to watch a movie instead.