Remeber when that was accepted. It would be fun to see that on a leaderboard (might find some on a archived japanese leaderboard from 2012). TA means you can pause the timer when you pause the game. If we did add a leaderboard for that. Timing would be the Soft Reset Timing method. It was used because niconico forced japanese streamers to play 25-30 minutes. pause the game and timer and segment the streams because they had issues during that time period.

Speedrunning has changed quite a bit. I doubt this will ever make a return.