Changes

Players should divide their time spent on improvement as follows:<ref>https://thechessworld.com/articles/training-techniques/10-steps-for-getting-good-at-chess-fast/#:~:text=Follow%2020%2F40%2F40%20Rule%20Chess&text=Many%20players%20are%20making%20a,Middlegame%20and%2040%25%20on%20Endgame.</ref>

Players should divide their time spent on improvement as follows:<ref>https://thechessworld.com/articles/training-techniques/10-steps-for-getting-good-at-chess-fast/#:~:text=Follow%2020%2F40%2F40%20Rule%20Chess&text=Many%20players%20are%20making%20a,Middlegame%20and%2040%25%20on%20Endgame.</ref>

* 20% on [[Chess Openings]].

* 20% on [[Chess Openings]].  It is helpful to memorize a few standard openings, such as 1.d4 or 1.e4, and a repertoire of surprise openings, such as the [[Queen's Gambit]].

* 40% on the middle game.

* 40% on the middle game.

* 40% on the end game.

* 40% on the end game.