7.2. A city held three rounds of Go tournaments, with the same participants in each round. It is known that every 2 participants in the three rounds of the tournament won 1 time each, drew 1 time each. A person came in last place in the first two rounds. Question: What place did he get in the third round?
7.2. Calculate the sum of scores for each participant in the three rounds of the competition, and find that they are all equal. Since someone scored less than any other participant in the first two rounds, he scored more than any other participant in the third round. Therefore, he came in first in the third round.