The Demo
here

Analysis 1)Well after watching his demo their were a few things I could already tell that could
greatly improve his game. For a start his strat and tactic timing of the items was pretty non-existant so what recommend he does is try practicing going around the various levels practicing one of the strats on the strategy section, or try creating his own for the various maps their is a guide to this in the articles section.
2)also his movement around the map could be greatly improved if he used alot more straft jumping to get around the map more
3)Next thing I noticed even before he started was that he was playing hardcore bots, to help improve I would recommend playing the hardest bots you can and do not be afraid of losing because they are only bots and if you keep that up you will notice you improve alot more. Also on the front of bots I would recommend trying some custom bots, I would recommend either the clockbot or the lakerbot.

Recommend Custom Bots
Lakerbot
Clock bot
Clock bot plugin - default shaft and plasma balls