Originally posted by Stigma
Because Yoda put Sidious on his ass, the most powerful Sith in galactic history, while Kenobi was put on his ass by Maul, Sidious’s inferior apprentice.
Any character can be Force pushed, when caught off guard or block, when ready. Kenobi could block even Anakin's TK, when ready, despite Anakin being the most powerful Force user known.
Because, as already mentioned (have you missed it? 😉 ), Yoda paralyzed Ventures with a simple gesture while Kenobi struggled with her on multiple occasions.
In one of the first tcw episodes. She improved a lot since to the point that Sidious felt threatened and demanded Dooku to dispose of her, hence this feat no longer relevant.
Yoda fought equally with Sidious. Yoda’s speed = Sidious’s speedKenobi did not fight Anakin, he fought Vader, an emotionally broken, unstable opponent who seconds before tried to kill his own wife. He was far from Jedi clarity he had. Kenobi also had the advantage of knowing all his moves inside out and of course, the high ground 😛
Indeed, Kenobi did not fight Anakin who is given level 8 combat ability by Nick Gillard. He fought Vader, who was given level 9, which is on level with Windu, Yoda and Sidious.
"On Attack of the Clones, I had to give them levels," he (Nick Gillard) said, "Sidious is a level nine [out of ten]. On this film, Obi is eight - he's moved up - Anakin is a nine; Mace is a nine, Yoda is a nine. They're up there with Sidious"
Page 133, The Making of ROTS.
This article farther confirms that Anakin on mustafar had level 9 combat prowess, which source above confirms to be on level of Windu, Yoda and Sidious:
http://www.cinemareview.com/production.asp?prodid=2965
Like it or not, Yoda is not blitzing Kenobi. Your unproven assumptions about Anakin's mindset are debunked by the sources above.