Congratulations for earning so many points!
What I've noticed that you seems to be affraid of the higher rated players, I mean that you are not as aggressive as against the lower rated players. But +/-200 difference in Fide rating is not a big a deal, so try to not care about someone's rating. Because everyone can loose a game.
Btw, I think your 7th game was the best ;)
And about your 2nd game:
Sorry for being so critical, good luck for your next games. And I wish you'll win the next tournament.
Round 3: A higher rated player again, we reached a highly irregular endgame with two rooks vs. three pieces (two knights - that night I dreamed of forks ...) and agreed on a draw.
Round 4: A horrible game. I managed to trap my opponent's rook, win the exchange, and then missed a mate in one in the endgame :-(
Round 5: A nice game vs. an 8 year old who I somehow feared after my initial experience with the 10 year old, but to my relief he played rather weak, lost a piece and a rook due to some nice tactics and allowed me to score the full point again.
Round 6: A decent game vs. a higher rated player which I lost, but not by a big single blunder but because he simply played better moves than me, won some pawns and built up his advantage - so I didn't feel that bad about this game as I did about the former two losses.
Round 7: A "must-win" against a much lower rated player. However, I botched the opening after he played a rather unorthodox approach vs. the Ruy Lopez, I missed a double threat on my pinned f3 knight and had to play gxf3 and ruin my king's castle. After he made a strategical blunder and closed off the kingside, I proceeded with a queenside mating attack :)
Round 8: A fighting game vs. a severely physically challenged opponent (wheelchair user, couldn't move the pieces by himself, so I had to make his moves which he announced), nevertheless higher rated and dangerous - I managed to secure a draw. I was on the defensive side in the middlegame. He declined my first draw offer, then offered me a draw himself after I seemed to win the pure pawn endgame several times which I declined :) then I still couldn't manage to secure the win since I dropped the decisive tempo somewhere, so it really ended up as a draw.
Round 9: Another decent draw vs. a higher rated opponent. He played a strange opening (1. d3), I wasn't sure how to best counter it and decided to simply build my favorite black "French" type setup. (I always enjoy this since everytime I play 1. e4 e6 as Black, I get the exchange variation ...) After some 20 moves neither of us seemed to see a clear way of winning, we were tired and hungry (it was lunchtime) :) and we were both holding at 4 points and wanted the 50 % result of 4,5, so we agreed on the draw.