From the Round 3 pairings, 3+7+1 ....... top few, majority and bottom few ...
3 pairs with same grades
7 pairs with one-grade diiference
1 pair with two-grade difference
After Round 3, we should be able to see the groupings for .....
A -- top few including 吴宗翰 吕瑞展
B -- majority
C -- bottom few including 棋人生
top few (2, 2.5 & 3 pts), majority (1 & 1.5 pts) and bottom few (0 & 0.5 pt) ..