My own opinion (and I could be wrong):
part of the transition to position should be synonymous with turning perpendicular to the opponent, and not A, then B. He waits till he has an almost, then turns. He would be better off to turn once the right leg presses againts the neck, using the "natural force" of the contact to propel his spin AS he hooks the foot into the crotch of the left knee. And if he takes the opponents right arm with him in his travels, the blood choke dials in very quickly (insert wicked grin here).
Regards,
Dave