How many games will be played?​

Question

After each round of a sudden death tournament, the winners play each other, the losers are eliminated. If there are 64 teams in a tournament and they keep playing until only one team is left. There will be six rounds. 

Help please

Answer 1

Round 1: 32 teams play 32 teams (32 games)

Round 2: 16 teams play 16 teams (16 games)

Round 3: 8 teams play 8 teams (8 games)

Round 4: 4 teams play 4 teams (4 games)

Round 5: 2 teams play 2 teams (2 games)

Round 6: one team against another (1 game)-outright winner.

Total games 32+16+8+4+2+1=63 games.