DateThis TeamOpponentExpected
vs. Actual
ChangeNew Rating
07/20/19ToRD: Vipers (120)vs DRRD: Durham Region Roller Derby - House League (155)Expected: 0.30, Actual: -0.13-25.4393.1Stats
05/25/19ToRD: Vipers (240)vs RCRD: Our Ladies of Pain (248)Expected: -0.13, Actual: -0.02+6.7418.5Stats
03/09/19ToRD: Vipers (141)vs DRRD: Durham Region Roller Derby - House League (152)Expected: 0.30, Actual: -0.04-20.2411.8Stats
08/11/18ToRD: Vipers (189)vs HRD: Debu-Taunts (118)Expected: 0.32, Actual: 0.23-5.4432.0Stats
06/16/18ToRD: Vipers (195)vs DRRD: Durham Region Roller Derby - House League (100)Expected: 0.32, Actual: 0.32+0.2437.3Stats
05/12/18ToRD: Vipers (289)vs DRRD: Durham Region Roller Derby - House League (145)Expected: 0.10, Actual: 0.33+13.6437.1Stats
08/12/17ToRD: Vipers (195)vs RCRD: Our Ladies of Pain (201)Expected: -0.11, Actual: -0.02+5.7423.5Stats
05/13/17ToRD: Vipers (149)vs DRRD: Durham Region Roller Derby - House League (104)Expected: 0.14, Actual: 0.18+2.0417.8Stats
04/22/17ToRD: Vipers (217)vs OVRD: Cannon Dolls (148)Expected: -0.18, Actual: 0.19+22.3415.8Stats
03/25/17ToRD: Vipers (179)vs Belleville (264)Expected: -0.11, Actual: -0.19-4.7393.5Stats
10/01/16ToRD: Vipers (114)vs Niagara (238)Expected: -0.50, Actual: -0.35+9.1398.2Stats
06/11/16ToRD: Vipers (142)vs QCRD: Queen's Court (204)Expected: 0.14, Actual: -0.18-19.2389.1Stats
08/15/15ToRD: Vipers (190)vs RDD: Bombshell Battalion (135)Expected: 0.29, Actual: 0.17-6.5408.4Stats
08/15/15ToRD: Vipers (190)vs RDD: Bombshell Battalion (135)Expected: 0.40, Actual: 0.17-12.0414.8Stats
07/25/15ToRD: Vipers (95)vs WRD: Bloody Marys (Disbanded) (153)Expected: -0.02, Actual: -0.23-11.4426.8Stats
06/13/15ToRD: Vipers (188)vs RCRD: Our Ladies of Pain (211)Expected: -0.20, Actual: -0.06+7.3438.3Stats
05/30/15ToRD: Vipers (251)vs RDD: Bombshell Battalion (148)Expected: 0.44, Actual: 0.26-9.6431.0Stats
05/23/15ToRD: Vipers (197)vs RCRD: Our Ladies of Pain (195)Expected: -0.13, Actual: 0.01+7.2440.6Stats
02/21/15ToRD: Vipers (99)vs Roller Derby Misfits (243)Expected: -0.38, Actual: -0.42-2.2433.5Stats
02/07/15ToRD: Vipers (87)vs ORG: Fox Force Five (411)Expected: 0.19, Actual: -0.65-44.0435.7Stats
09/27/14ToRD: Vipers (213)vs South Simcoe (172)Expected: 0.25, Actual: 0.11-7.5479.7Stats
09/13/14ToRD: Vipers (210)vs OVRD: ByWard B (97)Expected: -0.00, Actual: 0.37+19.4487.2Stats
06/21/14ToRD: Vipers (176)vs SSRR: Ghoul Guides (149)Expected: 0.24, Actual: 0.08-8.1467.9Stats
06/07/14ToRD: Vipers (299)vs Roller Derby Misfits (149)Expected: 0.04, Actual: 0.33+15.3476.0Stats
05/03/14ToRD: Vipers (168)vs Wellington (276)Expected: -0.05, Actual: -0.24-9.9460.7Stats
04/05/14ToRD: Vipers (252)vs DRRD: Durham Region Roller Derby - House League (110)Expected: 0.25, Actual: 0.39+7.6470.6Stats
04/05/14ToRD: Vipers (252)vs DRRD: Durham Derby Devils (110)Expected: -0.16, Actual: 0.39+28.8463.0Stats
03/29/14ToRD: Vipers (173)vs Roller Derby Misfits (338)Expected: 0.06, Actual: -0.32-20.1434.1Stats
06/08/13ToRD: Vipers (219)vs Peterborough (139)Expected: 0.08, Actual: 0.22+7.3454.2Stats
05/25/13ToRD: Vipers (142)vs South Simcoe (200)Expected: 0.18, Actual: -0.17-18.1447.0Stats
09/08/12ToRD: Vipers (146)vs KRD: The Skateful Dead (132)Expected: -0.50, Actual: 0.05+24.4465.1Stats
08/18/12ToRD: Vipers (269)vs SSRR: Ghoul Guides (59)Actual: 0.64 440.6Stats
05/26/12ToRD: Vipers (150)vs Belle City (103)Expected: -0.34, Actual: 0.19+23.2440.6Stats
05/12/12ToRD: Vipers (55)vs KRD: The Skateful Dead (314)Expected: -0.43, Actual: -0.70-12.2417.4Stats
09/24/11ToRD: Vipers (41)vs TCRD: Total Knock-Outs (140)Expected: -0.35, Actual: -0.55-8.6429.6Stats
09/10/11ToRD: Vipers (42)vs Royal City (203)Expected: -0.21, Actual: -0.66-19.9438.3Stats
06/18/11ToRD: Vipers (26)vs Nickel City (157)Expected: 0.07, Actual: -0.72-34.7458.2Stats
02/26/11ToRD: Vipers (71)vs Nickel City (38)Expected: -0.03, Actual: 0.30+15.0492.9Stats
08/21/10ToRD: Vipers (105)vs DRRD: Durham Derby Devils (63)Actual: 0.25 477.9Stats
08/21/10ToRD: Vipers (104)vs DRRD: Classy Trashy Rollergirls (63)Actual: 0.25 477.9Stats
05/29/09ToRD: Vipers (41)vs ToRD: Chicks Ahoy! (149)Expected: -0.43, Actual: -0.57-6.5477.9Stats
08/09/08ToRD: Vipers (119)vs ToRD: A-Stars B Team (99)Expected: -0.28, Actual: 0.09+17.8484.4Stats
07/16/08ToRD: Vipers (60)vs ToRD: Smoke City Bandits (152)Expected: -0.27, Actual: -0.43-8.1466.7Stats
07/05/08ToRD: Vipers (37)vs ToRD: Death Track Dolls (107)Expected: -0.39, Actual: -0.49-4.9474.8Stats
06/11/08ToRD: Vipers (50)vs ToRD: Gore Gore Rollergirls (189)Actual: -0.58 479.6Stats
DateTeamsScoreIncoming
Ratings
ExpectedActualExpected
vs. Actual
ChangeNew
Ratings
07/20/19ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
120
155
418.5
365.9
0.30-0.13Expected: 0.30, Actual: -0.13-25.4
+25.4
393.1
391.3
Stats
05/25/19ToRD: Vipers
RCRD: Our Ladies of Pain
240
248
411.8
428.8
-0.13-0.02Expected: -0.13, Actual: -0.02+6.7
-6.7
418.5
422.1
Stats
03/09/19ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
141
152
432.0
360.8
0.30-0.04Expected: 0.30, Actual: -0.04-20.2
+20.2
411.8
381.0
Stats
08/11/18ToRD: Vipers
HRD: Debu-Taunts
189
118
437.3
361.6
0.320.23Expected: 0.32, Actual: 0.23-5.4
+5.4
432.0
367.0
Stats
06/16/18ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
195
100
437.1
380.2
0.320.32Expected: 0.32, Actual: 0.32+0.2
-0.2
437.3
379.9
Stats
05/12/18ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
289
145
423.5
393.8
0.100.33Expected: 0.10, Actual: 0.33+13.6
-13.6
437.1
380.2
Stats
08/12/17ToRD: Vipers
RCRD: Our Ladies of Pain
195
201
417.8
431.0
-0.11-0.02Expected: -0.11, Actual: -0.02+5.7
-5.7
423.5
425.3
Stats
05/13/17ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
149
104
415.8
395.8
0.140.18Expected: 0.14, Actual: 0.18+2.0
-2.0
417.8
393.8
Stats
04/22/17ToRD: Vipers
OVRD: Cannon Dolls
217
148
393.5
439.9
-0.180.19Expected: -0.18, Actual: 0.19+22.3
-22.3
415.8
417.6
Stats
03/25/17ToRD: Vipers
Belleville
179
264
398.2
429.8
-0.11-0.19Expected: -0.11, Actual: -0.19-4.7
+4.7
393.5
434.6
Stats
10/01/16ToRD: Vipers
Niagara
114
238
389.1
491.3
-0.50-0.35Expected: -0.50, Actual: -0.35+9.1
-9.1
398.2
482.2
Stats
06/11/16ToRD: Vipers
QCRD: Queen's Court
142
204
408.4
388.5
0.14-0.18Expected: 0.14, Actual: -0.18-19.2
+19.2
389.1
407.7
Stats
08/15/15ToRD: Vipers
RDD: Bombshell Battalion
190
135
414.8
363.5
0.290.17Expected: 0.29, Actual: 0.17-6.5
+6.5
408.4
370.0
Stats
08/15/15ToRD: Vipers
RDD: Bombshell Battalion
190
135
426.8
351.5
0.400.17Expected: 0.40, Actual: 0.17-12.0
+12.0
414.8
363.5
Stats
07/25/15ToRD: Vipers
WRD: Bloody Marys (Disbanded)
95
153
438.3
432.3
-0.02-0.23Expected: -0.02, Actual: -0.23-11.4
+11.4
426.8
443.8
Stats
06/13/15ToRD: Vipers
RCRD: Our Ladies of Pain
188
211
431.0
461.8
-0.20-0.06Expected: -0.20, Actual: -0.06+7.3
-7.3
438.3
454.6
Stats
05/30/15ToRD: Vipers
RDD: Bombshell Battalion
251
148
440.6
336.5
0.440.26Expected: 0.44, Actual: 0.26-9.6
+9.6
431.0
346.2
Stats
05/23/15ToRD: Vipers
RCRD: Our Ladies of Pain
197
195
433.5
469.0
-0.130.01Expected: -0.13, Actual: 0.01+7.2
-7.2
440.6
461.8
Stats
02/21/15ToRD: Vipers
Roller Derby Misfits
99
243
435.7
524.4
-0.38-0.42Expected: -0.38, Actual: -0.42-2.2
+2.2
433.5
526.6
Stats
02/07/15ToRD: Vipers
ORG: Fox Force Five
87
411
479.7
450.0
0.19-0.65Expected: 0.19, Actual: -0.65-44.0
+44.0
435.7
494.1
Stats
09/27/14ToRD: Vipers
South Simcoe
213
172
487.2
445.0
0.250.11Expected: 0.25, Actual: 0.11-7.5
+7.5
479.7
452.6
Stats
09/13/14ToRD: Vipers
OVRD: ByWard B
210
97
467.9
477.4
-0.000.37Expected: -0.00, Actual: 0.37+19.4
-19.4
487.2
458.0
Stats
06/21/14ToRD: Vipers
SSRR: Ghoul Guides
176
149
476.0
418.3
0.240.08Expected: 0.24, Actual: 0.08-8.1
+8.1
467.9
426.5
Stats
06/07/14ToRD: Vipers
Roller Derby Misfits
299
149
460.7
461.2
0.040.33Expected: 0.04, Actual: 0.33+15.3
-15.3
476.0
445.9
Stats
05/03/14ToRD: Vipers
Wellington
168
276
470.6
472.3
-0.05-0.24Expected: -0.05, Actual: -0.24-9.9
+9.9
460.7
482.2
Stats
04/05/14ToRD: Vipers
DRRD: Durham Region Roller Derby - House League
252
110
463.0
421.7
0.250.39Expected: 0.25, Actual: 0.39+7.6
-7.6
470.6
414.0
Stats
04/05/14ToRD: Vipers
DRRD: Durham Derby Devils
252
110
434.1
475.3
-0.160.39Expected: -0.16, Actual: 0.39+28.8
-28.8
463.0
446.4
Stats
03/29/14ToRD: Vipers
Roller Derby Misfits
173
338
454.2
433.0
0.06-0.32Expected: 0.06, Actual: -0.32-20.1
+20.1
434.1
453.1
Stats
06/08/13ToRD: Vipers
Peterborough
219
139
447.0
421.1
0.080.22Expected: 0.08, Actual: 0.22+7.3
-7.3
454.2
413.8
Stats
05/25/13ToRD: Vipers
South Simcoe
142
200
465.1
438.4
0.18-0.17Expected: 0.18, Actual: -0.17-18.1
+18.1
447.0
456.5
Stats
09/08/12ToRD: Vipers
KRD: The Skateful Dead
146
132
440.6
536.9
-0.500.05Expected: -0.50, Actual: 0.05+24.4
-24.4
465.1
512.4
Stats
08/18/12ToRD: Vipers
SSRR: Ghoul Guides
269
59
440.6
[unranked]
0.64Actual: 0.64 
 
440.6
389.3
Stats
05/26/12ToRD: Vipers
Belle City
150
103
417.4
473.8
-0.340.19Expected: -0.34, Actual: 0.19+23.2
-23.2
440.6
450.6
Stats
05/12/12ToRD: Vipers
KRD: The Skateful Dead
55
314
429.6
534.8
-0.43-0.70Expected: -0.43, Actual: -0.70-12.2
+12.2
417.4
547.0
Stats
09/24/11ToRD: Vipers
TCRD: Total Knock-Outs
41
140
438.3
497.8
-0.35-0.55Expected: -0.35, Actual: -0.55-8.6
+8.6
429.6
506.4
Stats
09/10/11ToRD: Vipers
Royal City
42
203
458.2
514.4
-0.21-0.66Expected: -0.21, Actual: -0.66-19.9
+19.9
438.3
534.3
Stats
06/18/11ToRD: Vipers
Nickel City
26
157
492.9
465.4
0.07-0.72Expected: 0.07, Actual: -0.72-34.7
+34.7
458.2
500.1
Stats
02/26/11ToRD: Vipers
Nickel City
71
38
477.9
498.9
-0.030.30Expected: -0.03, Actual: 0.30+15.0
-15.0
492.9
483.9
Stats
08/21/10ToRD: Vipers
DRRD: Durham Derby Devils
105
63
477.9
[unranked]
0.25Actual: 0.25 
 
477.9
466.4
Stats
08/21/10ToRD: Vipers
DRRD: Classy Trashy Rollergirls
104
63
477.9
[unranked]
0.25Actual: 0.25 
 
477.9
466.7
Stats
05/29/09ToRD: Vipers
ToRD: Chicks Ahoy!
41
149
484.4
563.3
-0.43-0.57Expected: -0.43, Actual: -0.57-6.5
+6.5
477.9
569.8
Stats
08/09/08ToRD: Vipers
ToRD: A-Stars B Team
119
99
466.7
537.4
-0.280.09Expected: -0.28, Actual: 0.09+17.8
-17.8
484.4
519.6
Stats
07/16/08ToRD: Vipers
ToRD: Smoke City Bandits
60
152
474.8
515.4
-0.27-0.43Expected: -0.27, Actual: -0.43-8.1
+8.1
466.7
523.5
Stats
07/05/08ToRD: Vipers
ToRD: Death Track Dolls
37
107
479.6
546.9
-0.39-0.49Expected: -0.39, Actual: -0.49-4.9
+4.9
474.8
551.8
Stats
06/11/08ToRD: Vipers
ToRD: Gore Gore Rollergirls
50
189
[unranked]
533.2
-0.58Actual: -0.58 
 
479.6
533.2
Stats