There is really no secret in getting better. Study endgames, tactics and strategy. Gain tactics pattern recognition. Gain strategical pattern recognition. Increase endgame knowledge. Play matches.
Getting better!

There is really no secret in getting better. Study endgames, tactics and strategy. Gain tactics pattern recognition. Gain strategical pattern recognition. Increase endgame knowledge. Play matches.
And what is the best way of doing so? Buy a book, chess mentor here on chess.com what do you think?
What is the best way of getting better at chess? Study the openings or midgame, so one can have a decisive advantage to win the endgame? Is the chess mentor the way of doing this or watching the chess videos?