How many wins do I need to get from Iron 1 to Diamond?
88 wins
With a 55% win rate, you need to play 880 games, win 484 of them and lose 396.
With a 60% win rate, you need to play 440 games, win 264 of them and lose 176.
With a 65% win rate, you need to play 293 games, win 190 of them and lose 103.
With a 70% win rate, you need to play 220 games, win 154 of them and lose 66.