Let seven people draw lots 1, 2, 3, 4, 5, 6, 7.
According to the rules of single round robin, the competition table is as follows:
1×2 1×3 1×4 1×5 1×6 1×7
2×3 2×4 2×5 2×6 2×7
3×4 3×5 3×6 3×7
4×5 4×6 4×7
5×6 5×7
6×7
Then arrange the competition order according to the number of tables in the competition venue, and then determine the competition ranking of each player according to the final score of each player.