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The numbers behind flat track roller derby.

Week of Dec 7th - Dec 13th
(# Bouts)
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Time Travel
Prev Week Today Next Week
Bouts Played per Week
Jul
8
4
21
Aug
10
18
20
17
6
Sep
5
36
22
21
Oct
33
50
25
31
Nov
21
38
15
11
11
Dec
3
9

TOTAL BOUTS THIS WEEK
EXPECTED vs ACTUAL WINS
9 / 9 predictable bouts played

More
Closest Predictions
Expected: 0.13, Actual: -0.05
12/10: Metropolitan (156) @ Bone Breakers (141)
Expected: 0.14, Actual: 0.06
12/8: Bone Breakers (117) @ Sailor City (133)
Expected: 0.34, Actual: 0.19
12/9: Metropolitan (164) @ Sailor City (240)
Expected: -0.60, Actual: -0.48
12/10: Metropolitan (196) @ 2X4: Lxs Pibxs (69)
Expected: 0.66, Actual: 0.73
12/9: Bone Breakers (33) @ 2x4 (209)
Expected: 0.76, Actual: 0.68
12/8: Metropolitan (45) @ 2x4 (235)
More
Bouts To Watch
Expected: 0.14, Actual: 0.06
12/8: Bone Breakers (117) @ Sailor City (133)
Expected: 0.13, Actual: -0.05
12/10: Metropolitan (156) @ Bone Breakers (141)
Expected: 0.34, Actual: 0.19
12/9: Metropolitan (164) @ Sailor City (240)
Expected: 0.66, Actual: 0.73
12/9: Bone Breakers (33) @ 2x4 (209)
Expected: -0.60, Actual: -0.48
12/10: Metropolitan (196) @ 2X4: Lxs Pibxs (69)
Expected: 0.76, Actual: 0.68
12/8: Metropolitan (45) @ 2x4 (235)
Tournaments
Torneo Latinazo 2023
Biggest Movers
Atomic Bombs +28.8
2X4: Lxs Pibxs +25.7
Metropolitan +3.9
2x4 -0.8
Sailor City -13.4
Bone Breakers -44.1
More
Closest Bouts
15 pts
12/10: Metropolitan (156) @ Bone Breakers (141)
16 pts
12/8: Bone Breakers (117) @ Sailor City (133)
76 pts
12/9: Metropolitan (164) @ Sailor City (240)
127 pts
12/10: Metropolitan (196) @ 2X4: Lxs Pibxs (69)
130 pts
12/9: 2X4: Lxs Pibxs (78) @ Bone Breakers (208)
176 pts
12/9: Bone Breakers (33) @ 2x4 (209)
Biggest Upsets
12/10: Metropolitan (156) @ Bone Breakers (141)
Top Rankings in WFTDA
1.Rose City Rollers1045 
2.Arch Rival Roller Derby1034 
3.Denver Roller Derby975 
4.Victorian Roller Derby League962 
5.Montreal Roller Derby955 
6.Gotham Roller Derby946 
7.Axles of Annihilation918 
8.Jacksonville Roller Derby910 
9.Angel City Derby904 
10.2x4 Roller Derby888-0.8
11.Rainy City Roller Derby864 
12.London Roller Derby858 
13.Crime City Rollers856 
14.Windy City Rollers849 
15.Texas Rollergirls849 
16.Atlanta Roller Derby838 
17.Happy Valley Derby Darlins835 
18.Roller Derby Toulouse (Women's)835 
19.Santa Cruz Roller Derby830 
20.Brisbane City Rollers829 
 
Torneo Latinazo 2023
1 year 23 weeks ago, 12/8/23
Visitor
Atomic Bombs
98
Stats
Resulting Rating & Rank
518.9 +13.6
332nd in WFTDA
695.1 -13.6
85th in WFTDA
Home
Metropolitan
339
EXPECTED vs ACTUAL DoS
.78
Expected: 0.78, Actual: 0.55
.55
Metropolitan was given a > 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
5 : 41
5 : 17
Metropolitan scored a ratio of 17 : 5. This is 465 game points short of the expected ratio of 41 : 5.
Next Bout
Atomic Bombs has no bouts scheduled
Metropolitan has no bouts scheduled
Torneo Latinazo 2023
VS
Atomic Bombs
Metropolitan
98
339
12/8/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/8/23
Visitor
Bone Breakers
117
Stats
Resulting Rating & Rank
751.6 +4.5
49th in WFTDA
764.0 -4.5
41st in WFTDA
Home
Sailor City
133
EXPECTED vs ACTUAL DoS
.14
Expected: 0.14, Actual: 0.06
.06
Sailor City was given a 74% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
40 : 53
40 : 45
Sailor City scored a ratio of 45 : 40. This is 22 game points short of the expected ratio of 53 : 40.
Next Bout
Bone Breakers has no bouts scheduled
Sailor City has no bouts scheduled
Torneo Latinazo 2023
VS
Bone Breakers
Sailor City
117
133
12/8/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/8/23
Visitor
Metropolitan
45
Stats
Resulting Rating & Rank
700.1 +4.9
80th in WFTDA
883.8 -4.9
10th in WFTDA
Home
2x4
235
EXPECTED vs ACTUAL DoS
.76
Expected: 0.76, Actual: 0.68
.68
2x4 was given a > 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
5 : 37
5 : 26
2x4 scored a ratio of 26 : 5. This is 98 game points short of the expected ratio of 37 : 5.
Next Bout
Metropolitan has no bouts scheduled
6/26/25: 2x4 @
Rainy City (UK)
Torneo Latinazo 2023
VS
Metropolitan
2x4
45
235
12/8/23
 
Torneo Latinazo 2023
1 year 23 weeks ago, 12/9/23
Visitor
2X4: Lxs Pibxs
78
Stats
Resulting Rating & Rank
573.9 +18.5
230th in WFTDA
733.1 -18.5
64th in WFTDA
Home
Bone Breakers
208
EXPECTED vs ACTUAL DoS
.77
Expected: 0.77, Actual: 0.45
.45
Bone Breakers was given a > 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
5 : 38
5 : 13
Bone Breakers scored a ratio of 13 : 5. This is 385 game points short of the expected ratio of 38 : 5.
Next Bout
2X4: Lxs Pibxs has no bouts scheduled
Bone Breakers has no bouts scheduled
Torneo Latinazo 2023
VS
2X4: Lxs Pibxs
Bone Breakers
78
208
12/9/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/9/23
Visitor
Metropolitan
164
Stats
Resulting Rating & Rank
709.0 +8.9
76th in WFTDA
755.1 -8.9
46th in WFTDA
Home
Sailor City
240
EXPECTED vs ACTUAL DoS
.34
Expected: 0.34, Actual: 0.19
.19
Sailor City was given a 93% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
1 : 2
1 : 1
Sailor City scored a ratio of 1 : 1. This is 88 game points short of the expected ratio of 2 : 1.
Next Bout
Metropolitan has no bouts scheduled
Sailor City has no bouts scheduled
Torneo Latinazo 2023
VS
Metropolitan
Sailor City
164
240
12/9/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/9/23
Visitor
Bone Breakers
33
Stats
Resulting Rating & Rank
728.9 -4.2
65th in WFTDA
887.9 +4.2
10th in WFTDA
Home
2x4
209
EXPECTED vs ACTUAL DoS
.66
Expected: 0.66, Actual: 0.73
.73
2x4 was given a 99% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
6 : 29
5 : 29
Bone Breakers scored a ratio of 5 : 29. This is 10 game points short of the expected ratio of 6 : 29.
Next Bout
Bone Breakers has no bouts scheduled
6/26/25: 2x4 @
Rainy City (UK)
Torneo Latinazo 2023
VS
Bone Breakers
2x4
33
209
12/9/23
 
Torneo Latinazo 2023
1 year 23 weeks ago, 12/10/23
Visitor
Metropolitan
156
Stats
Resulting Rating & Rank
719.8 +10.8
68th in WFTDA
718.1 -10.8
70th in WFTDA
Home
Bone Breakers
141
EXPECTED vs ACTUAL DoS
.13
Expected: 0.13, Actual: -0.05
.05
Metropolitan was given a 27% chance of winning, and exceeded expectation.
EXPECTED vs ACTUAL SCORE RATIO
36 : 47
36 : 33
Bone Breakers scored a ratio of 33 : 36. This is 63 game points short of the expected ratio of 47 : 36.
Next Bout
Metropolitan has no bouts scheduled
Bone Breakers has no bouts scheduled
Torneo Latinazo 2023
VS
Metropolitan
Bone Breakers
156
141
12/10/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/10/23
Visitor
Metropolitan
196
Stats
Resulting Rating & Rank
712.6 -7.2
72nd in WFTDA
581.1 +7.2
219th in WFTDA
Home
2X4: Lxs Pibxs
69
EXPECTED vs ACTUAL DoS
.6
Expected: -0.60, Actual: -0.48
.48
Metropolitan was given a 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
4 : 1
3 : 1
Metropolitan scored a ratio of 3 : 1. This is 80 game points short of the expected ratio of 4 : 1.
Next Bout
Metropolitan has no bouts scheduled
2X4: Lxs Pibxs has no bouts scheduled
Torneo Latinazo 2023
VS
Metropolitan
2X4: Lxs Pibxs
196
69
12/10/23
Torneo Latinazo 2023
1 year 23 weeks ago, 12/10/23
Visitor
Atomic Bombs
85
Stats
Resulting Rating & Rank
534.1 +15.1
303rd in WFTDA
703.0 -15.1
77th in WFTDA
Home
Bone Breakers
267
EXPECTED vs ACTUAL DoS
.77
Expected: 0.77, Actual: 0.52
.52
Bone Breakers was given a > 99% chance of winning, but won by less than expected.
EXPECTED vs ACTUAL SCORE RATIO
6 : 47
6 : 19
Bone Breakers scored a ratio of 19 : 6. This is 399 game points short of the expected ratio of 47 : 6.
Next Bout
Atomic Bombs has no bouts scheduled
Bone Breakers has no bouts scheduled
Torneo Latinazo 2023
VS
Atomic Bombs
Bone Breakers
85
267
12/10/23
 
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