How many wins do I need to get from Gold 2 to Diamond?
44 wins
With a 55% win rate, you need to play 440 games, win 242 of them and lose 198.
With a 60% win rate, you need to play 220 games, win 132 of them and lose 88.
With a 65% win rate, you need to play 147 games, win 96 of them and lose 51.
With a 70% win rate, you need to play 110 games, win 77 of them and lose 33.