need someone to vod review

hi I'm a lvl 200 plat player and I'm trying to get to diamond/ascendant in the next year/half i recently played in a diamond game with a friend and i did well i think but i need to know how to get to diamond in the first place. i mostly play for fun but when i play comp i do relatively well but i think I'm being held back by teammates. please immo/radiants dm me to review my game ty!