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The numbers behind flat track roller derby.

Week of Apr 10th - Apr 16th
(# Bouts)
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Bouts Played per Week
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TOTAL BOUTS THIS WEEK
EXPECTED vs ACTUAL WINS
9 / 9 predictable bouts played

More
Closest Predictions
Expected: -0.10, Actual: 0.22
4/12: Baja (76) @ Juarez (Womens) (119)
Expected: 0.15, Actual: 0.30
4/12: Minervas (89) @ Medias Rotas (166)
Expected: 0.47, Actual: 0.55
4/13: Rock N Roller Quee... (68) @ Capital Rats (236)
Expected: 0.47, Actual: 0.42
4/13: Medias Rotas (54) @ Baja (133)
Expected: 0.51, Actual: 0.49
4/13: Medias Rotas (58) @ Juarez (Womens) (170)
Expected: 0.67, Actual: 0.63
4/13: Minervas (49) @ Juarez (Womens) (216)
More
Bouts To Watch
Expected: -0.10, Actual: 0.22
4/12: Baja (76) @ Juarez (Womens) (119)
Expected: 0.15, Actual: 0.30
4/12: Minervas (89) @ Medias Rotas (166)
Expected: 0.47, Actual: 0.42
4/13: Medias Rotas (54) @ Baja (133)
Expected: 0.51, Actual: 0.49
4/13: Medias Rotas (58) @ Juarez (Womens) (170)
Expected: 0.47, Actual: 0.55
4/13: Rock N Roller Quee... (68) @ Capital Rats (236)
Expected: 0.67, Actual: 0.63
4/13: Minervas (49) @ Juarez (Womens) (216)
Tournaments
Summer Roll Out 2025
Biggest Movers
Medias Rotas +17.8
Juarez (Womens) +15.4
Aniquiladoras +11.3
Rock N Roller Q... -4.7
Minervas -21.5
Baja -23.1
More
Closest Bouts
43 pts
4/12: Baja (76) @ Juarez (Womens) (119)
77 pts
4/12: Minervas (89) @ Medias Rotas (166)
79 pts
4/13: Medias Rotas (54) @ Baja (133)
112 pts
4/13: Medias Rotas (58) @ Juarez (Womens) (170)
115 pts
4/12: Aniquiladoras (53) @ Minervas (168)
167 pts
4/13: Minervas (49) @ Juarez (Womens) (216)
Biggest Upsets
4/12: Baja (76) @ Juarez (Womens) (119)
Top Rankings in Women Latin America
1.2x4 Roller Derby715 
2.Juarez Roller Derby558+15.4
3.EMEXRD555 
4.Mexico City Roller Derby546 
5.Baja Roller Derby543-23.1
6.Metropolitan Roller Derby541 
7.Bogotá Bone Breakers539 
8.Rock City Roller Derby528 
9.Capital Rats Roller Derby Bogota501+4.7
10.Barderas Insurrectas Roller Derby493 
11.Lxs Pibxs489 
12.Colmena Roller Derby475 
13.Jimmy Rustlers459 
14.Liga Combativas Revoltosas457 
15.Alianza Rebelde Roller Derby454 
16.Ravens453 
17.Medias Rotas Roller Derby452+17.8
18.Chat Noir Roller Derby452 
19.Tacones Bandidos Roller Derby449 
20.Baja B Team436 
 
Summer Roll Out 2025
42 weeks 6 days ago, 4/12/25
Visitor
Aniquiladoras
53
Stats
Resulting Rating & Rank
241.2 +15.0
88th in Women Latin...
412.2 -15.0
26th in Women Latin...
Home
Minervas
168
EXPECTED vs ACTUAL DoS
.77
Expected: 0.77, Actual: 0.52
.52
Minervas was given a 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
4 : 31
4 : 13
Minervas scored a ratio of 13 : 4. This is 243 game points short of the expected ratio of 31 : 4.
Next Bout
Aniquiladoras has no bouts scheduled
Minervas has no bouts scheduled
Summer Roll Out 2025
VS
Aniquiladoras
Minervas
53
168
4/12/25
Summer Roll Out 2025
42 weeks 6 days ago, 4/12/25
Visitor
Baja
76
Stats
Resulting Rating & Rank
547.0 -18.8
4th in Women Latin...
561.4 +18.8
2nd in Women Latin...
Home
Juarez (Womens)
119
EXPECTED vs ACTUAL DoS
.1
Expected: -0.10, Actual: 0.22
.22
Juarez (Womens) was given a 35% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
63 : 52
33 : 52
Baja scored a ratio of 33 : 52. This is 68 game points short of the expected ratio of 63 : 52.
Next Bout
3/20/26: Montana @
Baja
3/20/26: Treasure Valley @
Juarez (Womens)
Summer Roll Out 2025
VS
Baja
Juarez (Womens)
76
119
4/12/25
Summer Roll Out 2025
42 weeks 6 days ago, 4/12/25
Visitor
Aniquiladoras
24
Stats
Resulting Rating & Rank
236.4 -4.8
88th in Women Latin...
439.0 +4.8
19th in Women Latin...
Home
Medias Rotas
269
EXPECTED vs ACTUAL DoS
.76
Expected: 0.76, Actual: 0.84
.84
Medias Rotas was given a 99% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
6 : 43
4 : 43
Aniquiladoras scored a ratio of 4 : 43. This is 14 game points short of the expected ratio of 6 : 43.
Next Bout
Aniquiladoras has no bouts scheduled
Medias Rotas has no bouts scheduled
Summer Roll Out 2025
VS
Aniquiladoras
Medias Rotas
24
269
4/12/25
Summer Roll Out 2025
42 weeks 6 days ago, 4/12/25
Visitor
Minervas
89
Stats
Resulting Rating & Rank
403.3 -8.9
26th in Women Latin...
447.9 +8.9
19th in Women Latin...
Home
Medias Rotas
166
EXPECTED vs ACTUAL DoS
.15
Expected: 0.15, Actual: 0.30
.3
Medias Rotas was given a 73% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
11 : 15
8 : 15
Minervas scored a ratio of 8 : 15. This is 33 game points short of the expected ratio of 11 : 15.
Next Bout
Minervas has no bouts scheduled
Medias Rotas has no bouts scheduled
Summer Roll Out 2025
VS
Minervas
Medias Rotas
89
166
4/12/25
 
Summer Roll Out 2025
42 weeks 5 days ago, 4/13/25
Visitor
Medias Rotas
54
Stats
Resulting Rating & Rank
451.0 +3.1
17th in Women Latin...
543.9 -3.1
5th in Women Latin...
Home
Baja
133
EXPECTED vs ACTUAL DoS
.47
Expected: 0.47, Actual: 0.42
.42
Baja was given a 96% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
5 : 14
5 : 12
Baja scored a ratio of 12 : 5. This is 18 game points short of the expected ratio of 14 : 5.
Next Bout
Medias Rotas has no bouts scheduled
3/20/26: Montana @
Baja
Summer Roll Out 2025
VS
Medias Rotas
Baja
54
133
4/13/25
Summer Roll Out 2025
42 weeks 5 days ago, 4/13/25
Visitor
Minervas
49
Stats
Resulting Rating & Rank
405.7 +2.4
26th in Women Latin...
559.0 -2.4
2nd in Women Latin...
Home
Juarez (Womens)
216
EXPECTED vs ACTUAL DoS
.67
Expected: 0.67, Actual: 0.63
.63
Juarez (Womens) was given a 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
1 : 5
1 : 4
Juarez (Womens) scored a ratio of 4 : 1. This is 29 game points short of the expected ratio of 5 : 1.
Next Bout
Minervas has no bouts scheduled
3/20/26: Treasure Valley @
Juarez (Womens)
Summer Roll Out 2025
VS
Minervas
Juarez (Womens)
49
216
4/13/25
Summer Roll Out 2025
42 weeks 5 days ago, 4/13/25
Visitor
Aniquiladoras
16
Stats
Resulting Rating & Rank
237.5 +1.1
87th in Women Latin...
542.8 -1.1
5th in Women Latin...
Home
Baja
292
EXPECTED vs ACTUAL DoS
.92
Expected: 0.92, Actual: 0.90
.9
Baja was given a > 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
2 : 45
2 : 37
Baja scored a ratio of 37 : 2. This is 68 game points short of the expected ratio of 45 : 2.
Next Bout
Aniquiladoras has no bouts scheduled
3/20/26: Montana @
Baja
Summer Roll Out 2025
VS
Aniquiladoras
Baja
16
292
4/13/25
Summer Roll Out 2025
42 weeks 5 days ago, 4/13/25
Visitor
Medias Rotas
58
Stats
Resulting Rating & Rank
452.0 +1.0
17th in Women Latin...
558.0 -1.0
2nd in Women Latin...
Home
Juarez (Womens)
170
EXPECTED vs ACTUAL DoS
.51
Expected: 0.51, Actual: 0.49
.49
Juarez (Womens) was given a 97% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
14 : 43
14 : 41
Juarez (Womens) scored a ratio of 41 : 14. This is 8 game points short of the expected ratio of 43 : 14.
Next Bout
Medias Rotas has no bouts scheduled
3/20/26: Treasure Valley @
Juarez (Womens)
Summer Roll Out 2025
VS
Medias Rotas
Juarez (Womens)
58
170
4/13/25
42 weeks 5 days ago, 4/13/25
Visitor
Rock N Roller Quee...
68
Stats
Resulting Rating & Rank
397.3 -4.7
28th in Women Latin...
500.7 +4.7
9th in Women Latin...
Home
Capital Rats
236
EXPECTED vs ACTUAL DoS
.47
Expected: 0.47, Actual: 0.55
.55
Capital Rats was given a 96% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
5 : 14
4 : 14
Rock N Roller Quee... scored a ratio of 4 : 14. This is 16 game points short of the expected ratio of 5 : 14.
Next Bout
Rock N Roller Quee... has no bouts scheduled
Capital Rats has no bouts scheduled
VS
Rock N Roller Quee...
Capital Rats
68
236
4/13/25
 
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