The secret to being good at chess is playing good moves. If you consistently play good moves, you’ll win every game. So during a game, just play the best move and you’ll be on your way to GM.
I hope this was helpful, it took me three years to fully comprehend the key to chess success.
How would somebody go about creating a study plan? openings, games, middle & end games. Where would you start? And what would you study?