How many wins do I need to get from Bronze 4 to Diamond?
84 wins
With a 55% win rate, you need to play 840 games, win 462 of them and lose 378.
With a 60% win rate, you need to play 420 games, win 252 of them and lose 168.
With a 65% win rate, you need to play 280 games, win 182 of them and lose 98.
With a 70% win rate, you need to play 210 games, win 147 of them and lose 63.