Fritz 21 is here! (opens in new tab)

It has gained 40 Elo points, and now stands at 3620 Elo. It can show you the best moves, the most promising lines. But it concentrates on teaching. It will play practice games against you, at your level of play, and imitate the style of famous players if you wish. It has AI-supported training with subtle hints, and will train tactics and endgames with you. It even teaches you Freestyle Chess. It practically forces you to become a stronger player.