"...per the brilliant Sports Club Stats"
(thank you Mr. Dater)

How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/2100.0*Chance wins title100.0*Semi-Final100.0*Average seed
Madureira 1 Fluminense 3 -8.9
+0.5
-0.1
Botafogo 2 Flamengo 2 +3.4
+1.4
+0.1
Vasco da Gama 1 Volta Redonda 1 -3.0
+1.1
Bangu 2 Boavista 1 +2.0
+1.7
+0.1
Week of 4/9100.0*Chance wins title100.0*Semi-Final100.0*Average seed
Vasco da Gama 1 Madureira 0 +16.7
Yes
+0.5
Volta Redonda 0 Fluminense 2 -16.3
-0.2
Botafogo 1 Bangu 0 -0.4
-0.1
Flamengo 3 Boavista 0 -0.6
-0.0
Week of 4/17100.0*Chance wins title100.0*Semi-Final100.0*Average seed
Fluminense 0 Vasco da Gama 1 Yes
+0.8
Boavista 0 Botafogo 1 -0.2
Points
Chance Will Win Championship