Look these up and learn them https://www.chess.com/lessons/winning-the-game
Especially
Checkmate with two rooks
Checkmate with king and queen
Checkmate with king and rook and then when you have that position again you'll be able to checkmate them and win
so i can't checkmate when the opponent have only king left and he just keep moving untill the game end up draw any tip? i'm new to chess btw also sry for my bad english._.)