How many wins do I need to get from Silver 4 to Diamond?
68 wins
With a 55% win rate, you need to play 680 games, win 374 of them and lose 306.
With a 60% win rate, you need to play 340 games, win 204 of them and lose 136.
With a 65% win rate, you need to play 227 games, win 148 of them and lose 79.
With a 70% win rate, you need to play 170 games, win 119 of them and lose 51.