Your serves are so good!
On your serves, I think it's good that you have a lot of variety in your serves, but it would do you good to use just a few of them and really master them. I used to be like you, I could serve BH and FH tomahawk and pendulum, heavy underspin/nospin, reverse pendulum, hook serves, etc... and against weaker players I would be winning directly from serve, but against stronger players I struggle to win a point because I'm not used to people receiving my serves correctly, and am confused by my own spin. I have recently chosen just to focus on 3 types of serves, FH pendulum, FH reverse pendulum, and FH pure heavy underspin/no-spin serve and use them all the time, with my FH tomahawk used in critical situations if I want to surprise the opponent. You can really play around with these serves if you study them right (amount of spin, degree of sidespin, fake movements....). Against weaker opponents don't serve that strongly, you can serve just one type of spin and learn to deal with whatever return you get, this would improve your game a lot.
I think your flicks and loops were in general way too hard... that's why you made a lot of mistakes in the game, even Ma Long doesn't powerflick each serve he receives...
You can try soft flicks which will have so much more success rate, sometimes table tennis is much more about feeling and control(spin, placement and stability) than hard shots. Also, you should try to have different gears in your loops, not only hard and fast. Sometimes when the opportunity is not good (half-long serves, or when you are not in a good position), just loop a short, low topspin with good placement, rather than try to be Ma Lin powerlooping every loose ball. You have amazing power on both wings, and 60% of your energy is already enough to kill most ppl if your placement is good...
You're kinda like Zhang Jike pre-2010. Plenty of power, good technique, hitting hard all the time (which cost him more points than his opponent). The reason why Zhang Jike improved so much in 2010 was that he started to:
1) Shorten his strokes, focus on recovering, balance, footwork instead
2) Train a lot of "medium-power" strokes or "transition strokes" where he doesn't try to win the point outright but just stays with the opponent and give them a ball that is hard to attack. He correctly identifies the weak balls where he can hit hard easily, and reserves his power for those weak balls.
3) Convert more power into spin which further increases his accuracy and threat of his shots (spin is pretty dangerous for the opponent too).
Hope you get a good tournament!