If you want to become a 1000+ rated player then you must prepare a opening and normal in middle game and normal in endgame. opening is the main part of the game so each and every move of your opponent must be think by you😈. it will improve your calculation. watch IM.levy`s YouTube channel (gothamchess) that is the free tips and tricks for beginners. and analyse each and evry games move. Thank you for read my forums 🙏🏻