How many wins do I need to get from Bronze 1 to Silver?
4 wins
With a 55% win rate, you need to play 40 games, win 22 of them and lose 18.
With a 60% win rate, you need to play 20 games, win 12 of them and lose 8.
With a 65% win rate, you need to play 13 games, win 8 of them and lose 5.
With a 70% win rate, you need to play 10 games, win 7 of them and lose 3.