One quick comment (and well done, by the way, overall), you could have played 6....NxB and been a piece ahead instead of capturing with the queen.
Please analyze this game
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You had an advantage for so much of this game. White can make a draw in the final position because your bishop is on the wrong color square to help your rook pawn promote. You should have taken care not to trade all your pawns. When you're in a situation where you have an extra minor pieces, don't trade pawns! Instead, use your piece to win your opponent's pawns.
You want to keep your pawns flexible. 30. ... c5 locks up your pawns. Instead you could play 30. ... Kd6 intending 31. ... Kc5 attacking the c4 pawn.
I played this against a much higher- rated player, and in the end we agreed to a draw. Analysis, criticism, and advice are all welcome.