Fifty people play badminton. How many games have you played? How many rounds did two people play?

Fifty people play badminton, all 49 games, and two people play badminton.

In the rounds of 1 and 1, 18 will be eliminated, and 14 will be decided by drawing lots. The remaining 36 people will play in pairs, and the winner of 18 will enter the second round.

2. In the second round, 32 people played in teams, and the winner of 16 entered the third round.

After playing 8 games in the third round, the winner entered the fourth round.

There are four games in the fourth round, and the winner enters the semi-final.

The fifth round is the semi-final, and the winner of the two games enters the final.

The sixth round is the final, and the winner wins the championship. The loser won the second place.

7. In the 50-player single-defeat elimination tournament, there will be 6 rounds of 49 matches (18+16+8+4+2+1).