Tom is correct. Also, Peter's semi-final went so long that they decided it by "first blood" in game 3.
I went 3-2-1 but started with two losses so it was much worse than that sounds. My favorite game was game 2 in round 3 when my opponent mulliganed to 3 on the play and didn't play a land the entire game. His 5 card hand that he did not keep was an all time classic: