http://www.chess.com/blog/NimzoRoy/endgame-faqs?_domain=old_blog_host&_parent=old_frontend_blog_view
http://www.chess.com/blog/NimzoRoy/beginner-chess-book-recommendations
http://www.chess.com/blog/NimzoRoy/chess-opening-principles?_domain=old_blog_host&_parent=old_frontend_blog_view
I don't think I can improve on the advice of J R Capablanca, who is one of the greatest chess players of all time:
In order to improve your game, you must study the endgame before everything else. For whereas the endings can be studied and mastered by themselves, the opening and middle game must be studied in relation to the end game.
The best way to learn endings, as well as openings, is from the games of the masters.
To improve at chess you should in the first instance study the endgame.
People who want to improve should take their defeats as lessons, and endeavor to learn what to avoid in the future. You must also have the courage of your convictions. If you think your move is good, make it.
Anyone that plays chess higher then my rating could possibaly help me, thanks.