OptiMAL
Auto-translated
1) It doesn't matter which faction you play against, because if you play as a specific faction, you need to practice against the others.
2) A worthy opponent is someone who doesn't give up when faced with defeat, doesn't leave the game when they are losing, etc.
3) Of course, it's more interesting to play against a human. You need to play against everyone, and if you lose, analyze why.
:D
