It really is! The rules are fairly easy and a significant amount of people already know them; the game is free to play with no freemium model; the skill ceiling

It really is! The rules are fairly easy and a significant amount of people already know them; the game is free to play with no freemium model; the skill ceiling is really really really high. Sure you may not understand why Magnus makes his moves, but there's something very fascinating about watching a master at work.