How many wins do I need to get from Iron 2 to Gold?
40 wins
With a 55% win rate, you need to play 400 games, win 220 of them and lose 180.
With a 60% win rate, you need to play 200 games, win 120 of them and lose 80.
With a 65% win rate, you need to play 133 games, win 86 of them and lose 47.
With a 70% win rate, you need to play 100 games, win 70 of them and lose 30.