DateThis TeamOpponentExpected
vs. Actual		ChangeNew Rating
07/15/23Ark Valley (264)vs Albuquerque Roller Derby(W) (96)Expected: 0.33, Actual: 0.47+8.4557.5Stats
06/10/23Ark Valley (176)vs Roaring Fork (189)Actual: -0.04 549.1Stats
09/17/22Ark Valley (151)vs Los Alamos (223)Expected: 0.62, Actual: -0.19-48.4549.1Stats
10/20/18Ark Valley (121)vs 10th Mtn. (145)Expected: -0.01, Actual: -0.09-4.5597.4Stats
08/19/17Ark Valley (182)vs FoCo (266)Expected: -0.06, Actual: -0.19-7.4601.9Stats
06/24/17Ark Valley (161)vs 10th Mtn. (190)Expected: -0.03, Actual: -0.08-3.1609.3Stats
06/04/17Ark Valley (283)vs Echo City (172)Expected: 0.41, Actual: 0.24-10.2612.5Stats
06/03/17Ark Valley (254)vs Pacific (57)Expected: 0.76, Actual: 0.63-7.8622.6Stats
06/03/17Ark Valley (300)vs Paradise Roller Girls (51)Expected: 0.64, Actual: 0.71+4.0630.4Stats
06/02/17Ark Valley (416)vs Waimea (58)Expected: 0.67, Actual: 0.76+5.3626.4Stats
06/02/17Ark Valley (229)vs Maui (85)Expected: 0.50, Actual: 0.46-2.3621.1Stats
05/06/17Ark Valley (238)vs High Altitude (120)Expected: 0.17, Actual: 0.33+9.2623.4Stats
04/29/17Ark Valley (360)vs Juggernauts (48)Expected: 0.26, Actual: 0.76+30.0614.2Stats
04/29/17Ark Valley (189)vs 10th Mtn. (239)Expected: 0.03, Actual: -0.12-8.8584.2Stats
04/15/17Ark Valley (87)vs RMRD: The Contenders (179)Expected: -0.31, Actual: -0.35-1.9593.0Stats
09/18/16Ark Valley (328)vs Durango (26)Expected: 0.54, Actual: 0.85+18.6594.9Stats
09/17/16Ark Valley (206)vs El Paso (94)Expected: 0.58, Actual: 0.37-12.4576.3Stats
09/17/16Ark Valley (195)vs FoCo (134)Expected: -0.08, Actual: 0.19+15.9588.7Stats
08/27/16Ark Valley (169)vs 10th Mtn. (163)Expected: 0.02, Actual: 0.02-0.3572.9Stats
06/12/16Ark Valley (111)vs Bone Breakers (271)Expected: -0.32, Actual: -0.42-6.0573.2Stats
06/04/16Ark Valley (210)vs Durango (147)Expected: 0.13, Actual: 0.18+2.5579.2Stats
04/30/16Ark Valley (228)vs 10th Mtn. (241)Expected: 0.10, Actual: -0.03-7.3576.7Stats
04/09/16Ark Valley (164)vs Elevated (160)Expected: -0.03, Actual: 0.01+2.5584.0Stats
04/03/16Ark Valley (188)vs Gorge (170)Expected: 0.11, Actual: 0.05-3.8581.5Stats
04/02/16Ark Valley (241)vs Hellgate (111)Expected: -0.03, Actual: 0.37+23.8585.4Stats
04/02/16Ark Valley (190)vs Gorge (152)Expected: 0.06, Actual: 0.11+3.0561.6Stats
04/02/16Ark Valley (146)vs Wheat City (210)Expected: -0.02, Actual: -0.18-9.3558.6Stats
09/12/15Ark Valley (117)vs Happy Valley (236)Expected: -0.18, Actual: -0.34-8.4567.9Stats
08/29/15Ark Valley (173)vs FoCo (163)Expected: 0.11, Actual: 0.03-4.3576.3Stats
07/18/15Ark Valley (116)vs Durango (143)Expected: -0.11, Actual: -0.10+0.5580.6Stats
06/27/15Ark Valley (131)vs SoCo (191)Expected: 0.19, Actual: -0.19-19.9580.0Stats
06/13/15Ark Valley (191)vs 10th Mtn. (154)Expected: 0.13, Actual: 0.11-1.2599.9Stats
10/04/14Ark Valley (184)vs SoCo (133)Expected: 0.14, Actual: 0.16+0.9601.1Stats
09/06/14Ark Valley (188)vs Durango (100)Expected: -0.14, Actual: 0.31+23.2600.3Stats
07/19/14Ark Valley (157)vs Capidoll Stars (161)Expected: 0.11, Actual: -0.01-6.4577.0Stats
06/28/14Ark Valley (188)vs Slaughterhouse (110)Expected: -0.12, Actual: 0.26+19.8583.4Stats
06/08/14Ark Valley (92)vs Happy Valley (188)Expected: 0.27, Actual: -0.34-32.0563.7Stats
05/31/14Ark Valley (219)vs RMRD: Project Mayhem (145)Expected: 0.17, Actual: 0.20+1.6595.7Stats
05/11/14Ark Valley (117)vs Sioux City (181)Expected: -0.15, Actual: -0.21-3.5594.1Stats
05/11/14Ark Valley (48)vs Junction City (229)Expected: -0.38, Actual: -0.65-14.2597.6Stats
05/10/14Ark Valley (156)vs Oklahoma City (101)Expected: 0.10, Actual: 0.21+6.2611.8Stats
05/10/14Ark Valley (138)vs Sioux City (166)Expected: -0.13, Actual: -0.09+2.2605.6Stats
05/09/14Ark Valley (200)vs West Texas (89)Expected: 0.35, Actual: 0.38+1.6603.4Stats
04/05/14Ark Valley (221)vs SoCo (114)Expected: 0.09, Actual: 0.32+11.8601.8Stats
03/15/14Ark Valley (192)vs Durango (140)Expected: 0.03, Actual: 0.16+6.9590.0Stats
03/02/14Ark Valley (238)vs Rainier (171)Expected: 0.06, Actual: 0.16+5.2583.2Stats
03/02/14Ark Valley (108)vs Junction City (241)Expected: -0.20, Actual: -0.38-9.6577.9Stats
03/01/14Ark Valley (105)vs Calgary (264)Expected: -0.09, Actual: -0.43-17.9587.5Stats
02/28/14Ark Valley (253)vs Cherry City (169)Expected: 0.04, Actual: 0.20+8.3605.4Stats
02/22/14Ark Valley (388)vs Castle Rock (68)Expected: 0.35, Actual: 0.70+18.3597.1Stats
11/02/13Ark Valley (174)vs Crossroads City (151)Expected: 0.04, Actual: 0.07+1.4578.9Stats
10/12/13Ark Valley (241)vs Capidoll Stars (167)Expected: 0.42, Actual: 0.18-12.7577.5Stats
09/28/13Ark Valley (250)vs Slaughterhouse (155)Expected: 0.14, Actual: 0.23+4.8590.2Stats
07/20/13Ark Valley (145)vs FoCo (133)Expected: 0.21, Actual: 0.04-8.9585.4Stats
06/08/13Ark Valley (163)vs Junction City (159)Expected: -0.02, Actual: 0.01+1.5594.3Stats
05/18/13Ark Valley (153)vs Boulder County (234)Expected: -0.25, Actual: -0.21+1.9592.9Stats
05/04/13Ark Valley (147)vs Durango (177)Expected: 0.07, Actual: -0.09-8.5591.0Stats
04/28/13Ark Valley (418)vs Castle Rock (75)Expected: 0.50, Actual: 0.70+10.1599.5Stats
04/28/13Ark Valley (341)vs Grand Junction (70)Expected: 0.54, Actual: 0.66+6.4589.4Stats
04/27/13Ark Valley (212)vs FoCo (144)Expected: -0.15, Actual: 0.19+17.6583.0Stats
03/16/13Ark Valley (194)vs SoCo (146)Expected: -0.00, Actual: 0.14+7.4565.4Stats
03/03/13Ark Valley (173)vs Lava City (289)Expected: -0.22, Actual: -0.25-1.7558.0Stats
03/02/13Ark Valley (253)vs Dockyard (153)Expected: -0.04, Actual: 0.25+14.8559.7Stats
03/01/13Ark Valley (240)vs Rainy City (WA) (142)Expected: 0.12, Actual: 0.26+7.1544.9Stats
02/10/13Ark Valley (81)vs Pikes Peak (359)Expected: -0.61, Actual: -0.63-1.3537.8Stats
11/10/12Ark Valley (123)vs Slaughterhouse (156)Expected: -0.09, Actual: -0.12-1.4539.2Stats
10/13/12Ark Valley (132)vs Choice City (210)Expected: -0.18, Actual: -0.23-2.0540.5Stats
09/08/12Ark Valley (121)vs FoCo (145)Expected: -0.04, Actual: -0.09-2.3542.6Stats
08/24/12Ark Valley (186)vs SoCo (124)Expected: 0.27, Actual: 0.20-3.2544.8Stats
07/14/12Ark Valley (208)vs Durango (188)Expected: -0.07, Actual: 0.05+5.4548.0Stats
06/23/12Ark Valley (139)vs Junction City (151)Expected: 0.11, Actual: -0.04-6.6542.6Stats
05/12/12Ark Valley (176)vs Castle Rock (62)Expected: 0.52, Actual: 0.48-1.8549.2Stats
02/25/12Ark Valley (120)vs RMRD: Project Mayhem (169)Expected: -0.26, Actual: -0.17+3.9551.0Stats
10/15/11Ark Valley (88)vs Castle Rock (39)Expected: 0.42, Actual: 0.39-1.3547.0Stats
08/13/11Ark Valley (108)vs SoCo (99)Expected: -0.14, Actual: 0.04+8.2548.4Stats
06/04/11Ark Valley (161)vs SHDG: June's Cleavers (81)Expected: -0.01, Actual: 0.33+15.0540.2Stats
05/21/11Ark Valley (144)vs High City (139)Expected: -0.25, Actual: 0.02+12.1525.3Stats
04/09/11Ark Valley (279)vs High Desert (26)Actual: 0.83 513.2Stats
01/22/11Ark Valley (85)vs PPRD: Slamazons (122)Actual: -0.18 513.2Stats
DateTeamsScoreIncoming
Ratings		ExpectedActualExpected
vs. Actual		ChangeNew
Ratings
07/15/23Ark Valley
Albuquerque Roller Derby(W)		264
96		549.1
472.5		0.330.47Expected: 0.33, Actual: 0.47+8.4
-8.4		557.5
464.1		Stats
06/10/23Ark Valley
Roaring Fork		176
189		549.1
[unranked]		-0.04Actual: -0.04 
 		549.1
557.0		Stats
09/17/22Ark Valley
Los Alamos		151
223		597.4
443.8		0.62-0.19Expected: 0.62, Actual: -0.19-48.4
+48.4		549.1
492.1		Stats
10/20/18Ark Valley
10th Mtn.		121
145		601.9
613.9		-0.01-0.09Expected: -0.01, Actual: -0.09-4.5
+4.5		597.4
618.4		Stats
08/19/17Ark Valley
FoCo		182
266		609.3
613.0		-0.06-0.19Expected: -0.06, Actual: -0.19-7.4
+7.4		601.9
620.4		Stats
06/24/17Ark Valley
10th Mtn.		161
190		612.5
627.5		-0.03-0.08Expected: -0.03, Actual: -0.08-3.1
+3.1		609.3
630.6		Stats
06/04/17Ark Valley
Echo City		283
172		622.6
530.3		0.410.24Expected: 0.41, Actual: 0.24-10.2
+10.2		612.5
540.5		Stats
06/03/17Ark Valley
Pacific		254
57		630.4
425.1		0.760.63Expected: 0.76, Actual: 0.63-7.8
+7.8		622.6
432.9		Stats
06/03/17Ark Valley
Paradise Roller Girls		300
51		626.4
470.0		0.640.71Expected: 0.64, Actual: 0.71+4.0
-4.0		630.4
466.0		Stats
06/02/17Ark Valley
Waimea		416
58		621.1
456.2		0.670.76Expected: 0.67, Actual: 0.76+5.3
-5.3		626.4
450.9		Stats
06/02/17Ark Valley
Maui		229
85		623.4
510.3		0.500.46Expected: 0.50, Actual: 0.46-2.3
+2.3		621.1
512.6		Stats
05/06/17Ark Valley
High Altitude		238
120		614.2
587.9		0.170.33Expected: 0.17, Actual: 0.33+9.2
-9.2		623.4
578.7		Stats
04/29/17Ark Valley
Juggernauts		360
48		584.2
539.6		0.260.76Expected: 0.26, Actual: 0.76+30.0
-30.0		614.2
509.6		Stats
04/29/17Ark Valley
10th Mtn.		189
239		593.0
577.9		0.03-0.12Expected: 0.03, Actual: -0.12-8.8
+8.8		584.2
586.7		Stats
04/15/17Ark Valley
RMRD: The Contenders		87
179		594.9
650.9		-0.31-0.35Expected: -0.31, Actual: -0.35-1.9
+1.9		593.0
652.8		Stats
09/18/16Ark Valley
Durango		328
26		576.3
464.4		0.540.85Expected: 0.54, Actual: 0.85+18.6
-18.6		594.9
445.7		Stats
09/17/16Ark Valley
El Paso		206
94		588.7
464.7		0.580.37Expected: 0.58, Actual: 0.37-12.4
+12.4		576.3
477.1		Stats
09/17/16Ark Valley
FoCo		195
134		572.9
598.1		-0.080.19Expected: -0.08, Actual: 0.19+15.9
-15.9		588.7
582.2		Stats
08/27/16Ark Valley
10th Mtn.		169
163		573.2
577.6		0.020.02Expected: 0.02, Actual: 0.02-0.3
+0.3		572.9
577.9		Stats
06/12/16Ark Valley
Bone Breakers		111
271		579.2
636.0		-0.32-0.42Expected: -0.32, Actual: -0.42-6.0
+6.0		573.2
642.0		Stats
06/04/16Ark Valley
Durango		210
147		576.7
558.6		0.130.18Expected: 0.13, Actual: 0.18+2.5
-2.5		579.2
556.1		Stats
04/30/16Ark Valley
10th Mtn.		228
241		584.0
560.8		0.10-0.03Expected: 0.10, Actual: -0.03-7.3
+7.3		576.7
568.2		Stats
04/09/16Ark Valley
Elevated		164
160		581.5
596.5		-0.030.01Expected: -0.03, Actual: 0.01+2.5
-2.5		584.0
594.0		Stats
04/03/16Ark Valley
Gorge		188
170		585.4
566.4		0.110.05Expected: 0.11, Actual: 0.05-3.8
+3.8		581.5
570.3		Stats
04/02/16Ark Valley
Hellgate		241
111		561.6
571.6		-0.030.37Expected: -0.03, Actual: 0.37+23.8
-23.8		585.4
547.8		Stats
04/02/16Ark Valley
Gorge		190
152		558.6
550.5		0.060.11Expected: 0.06, Actual: 0.11+3.0
-3.0		561.6
547.5		Stats
04/02/16Ark Valley
Wheat City		146
210		567.9
576.7		-0.02-0.18Expected: -0.02, Actual: -0.18-9.3
+9.3		558.6
586.0		Stats
09/12/15Ark Valley
Happy Valley		117
236		576.3
602.9		-0.18-0.34Expected: -0.18, Actual: -0.34-8.4
+8.4		567.9
611.3		Stats
08/29/15Ark Valley
FoCo		173
163		580.6
567.1		0.110.03Expected: 0.11, Actual: 0.03-4.3
+4.3		576.3
571.4		Stats
07/18/15Ark Valley
Durango		116
143		580.0
594.0		-0.11-0.10Expected: -0.11, Actual: -0.10+0.5
-0.5		580.6
593.5		Stats
06/27/15Ark Valley
SoCo		131
191		599.9
569.6		0.19-0.19Expected: 0.19, Actual: -0.19-19.9
+19.9		580.0
589.5		Stats
06/13/15Ark Valley
10th Mtn.		191
154		601.1
583.9		0.130.11Expected: 0.13, Actual: 0.11-1.2
+1.2		599.9
585.1		Stats
10/04/14Ark Valley
SoCo		184
133		600.3
562.1		0.140.16Expected: 0.14, Actual: 0.16+0.9
-0.9		601.1
561.3		Stats
09/06/14Ark Valley
Durango		188
100		577.0
613.9		-0.140.31Expected: -0.14, Actual: 0.31+23.2
-23.2		600.3
590.7		Stats
07/19/14Ark Valley
Capidoll Stars		157
161		583.4
570.4		0.11-0.01Expected: 0.11, Actual: -0.01-6.4
+6.4		577.0
576.8		Stats
06/28/14Ark Valley
Slaughterhouse		188
110		563.7
596.0		-0.120.26Expected: -0.12, Actual: 0.26+19.8
-19.8		583.4
576.2		Stats
06/08/14Ark Valley
Happy Valley		92
188		595.7
549.4		0.27-0.34Expected: 0.27, Actual: -0.34-32.0
+32.0		563.7
581.5		Stats
05/31/14Ark Valley
RMRD: Project Mayhem		219
145		594.1
568.2		0.170.20Expected: 0.17, Actual: 0.20+1.6
-1.6		595.7
566.6		Stats
05/11/14Ark Valley
Sioux City		117
181		597.6
623.4		-0.15-0.21Expected: -0.15, Actual: -0.21-3.5
+3.5		594.1
626.9		Stats
05/11/14Ark Valley
Junction City		48
229		611.8
688.0		-0.38-0.65Expected: -0.38, Actual: -0.65-14.2
+14.2		597.6
702.3		Stats
05/10/14Ark Valley
Oklahoma City		156
101		605.6
582.3		0.100.21Expected: 0.10, Actual: 0.21+6.2
-6.2		611.8
576.1		Stats
05/10/14Ark Valley
Sioux City		138
166		603.4
626.5		-0.13-0.09Expected: -0.13, Actual: -0.09+2.2
-2.2		605.6
624.2		Stats
05/09/14Ark Valley
West Texas		200
89		601.8
531.9		0.350.38Expected: 0.35, Actual: 0.38+1.6
-1.6		603.4
530.3		Stats
04/05/14Ark Valley
SoCo		221
114		590.0
580.2		0.090.32Expected: 0.09, Actual: 0.32+11.8
-11.8		601.8
568.4		Stats
03/15/14Ark Valley
Durango		192
140		583.2
587.1		0.030.16Expected: 0.03, Actual: 0.16+6.9
-6.9		590.0
580.3		Stats
03/02/14Ark Valley
Rainier		238
171		577.9
561.1		0.060.16Expected: 0.06, Actual: 0.16+5.2
-5.2		583.2
555.9		Stats
03/02/14Ark Valley
Junction City		108
241		587.5
631.6		-0.20-0.38Expected: -0.20, Actual: -0.38-9.6
+9.6		577.9
641.2		Stats
03/01/14Ark Valley
Calgary		105
264		605.4
627.3		-0.09-0.43Expected: -0.09, Actual: -0.43-17.9
+17.9		587.5
645.2		Stats
02/28/14Ark Valley
Cherry City		253
169		597.1
584.9		0.040.20Expected: 0.04, Actual: 0.20+8.3
-8.3		605.4
576.6		Stats
02/22/14Ark Valley
Castle Rock		388
68		578.9
496.2		0.350.70Expected: 0.35, Actual: 0.70+18.3
-18.3		597.1
477.9		Stats
11/02/13Ark Valley
Crossroads City		174
151		577.5
577.7		0.040.07Expected: 0.04, Actual: 0.07+1.4
-1.4		578.9
576.3		Stats
10/12/13Ark Valley
Capidoll Stars		241
167		590.2
508.6		0.420.18Expected: 0.42, Actual: 0.18-12.7
+12.7		577.5
521.3		Stats
09/28/13Ark Valley
Slaughterhouse		250
155		585.4
547.6		0.140.23Expected: 0.14, Actual: 0.23+4.8
-4.8		590.2
542.8		Stats
07/20/13Ark Valley
FoCo		145
133		594.3
559.9		0.210.04Expected: 0.21, Actual: 0.04-8.9
+8.9		585.4
568.8		Stats
06/08/13Ark Valley
Junction City		163
159		592.9
605.0		-0.020.01Expected: -0.02, Actual: 0.01+1.5
-1.5		594.3
603.5		Stats
05/18/13Ark Valley
Boulder County		153
234		591.0
650.1		-0.25-0.21Expected: -0.25, Actual: -0.21+1.9
-1.9		592.9
648.2		Stats
05/04/13Ark Valley
Durango		147
177		599.5
594.4		0.07-0.09Expected: 0.07, Actual: -0.09-8.5
+8.5		591.0
602.9		Stats
04/28/13Ark Valley
Castle Rock		418
75		589.4
474.8		0.500.70Expected: 0.50, Actual: 0.70+10.1
-10.1		599.5
464.7		Stats
04/28/13Ark Valley
Grand Junction		341
70		583.0
459.1		0.540.66Expected: 0.54, Actual: 0.66+6.4
-6.4		589.4
452.7		Stats
04/27/13Ark Valley
FoCo		212
144		565.4
598.7		-0.150.19Expected: -0.15, Actual: 0.19+17.6
-17.6		583.0
581.1		Stats
03/16/13Ark Valley
SoCo		194
146		558.0
549.1		-0.000.14Expected: -0.00, Actual: 0.14+7.4
-7.4		565.4
541.7		Stats
03/03/13Ark Valley
Lava City		173
289		559.7
608.1		-0.22-0.25Expected: -0.22, Actual: -0.25-1.7
+1.7		558.0
609.8		Stats
03/02/13Ark Valley
Dockyard		253
153		544.9
548.4		-0.040.25Expected: -0.04, Actual: 0.25+14.8
-14.8		559.7
533.5		Stats
03/01/13Ark Valley
Rainy City (WA)		240
142		537.8
517.5		0.120.26Expected: 0.12, Actual: 0.26+7.1
-7.1		544.9
510.4		Stats
02/10/13Ark Valley
Pikes Peak		81
359		539.2
670.7		-0.61-0.63Expected: -0.61, Actual: -0.63-1.3
+1.3		537.8
672.1		Stats
11/10/12Ark Valley
Slaughterhouse		123
156		540.5
544.1		-0.09-0.12Expected: -0.09, Actual: -0.12-1.4
+1.4		539.2
545.4		Stats
10/13/12Ark Valley
Choice City		132
210		542.6
565.5		-0.18-0.23Expected: -0.18, Actual: -0.23-2.0
+2.0		540.5
567.5		Stats
09/08/12Ark Valley
FoCo		121
145		544.8
566.6		-0.04-0.09Expected: -0.04, Actual: -0.09-2.3
+2.3		542.6
568.8		Stats
08/24/12Ark Valley
SoCo		186
124		548.0
506.4		0.270.20Expected: 0.27, Actual: 0.20-3.2
+3.2		544.8
509.5		Stats
07/14/12Ark Valley
Durango		208
188		542.6
543.0		-0.070.05Expected: -0.07, Actual: 0.05+5.4
-5.4		548.0
537.6		Stats
06/23/12Ark Valley
Junction City		139
151		549.2
541.5		0.11-0.04Expected: 0.11, Actual: -0.04-6.6
+6.6		542.6
548.1		Stats
05/12/12Ark Valley
Castle Rock		176
62		551.0
449.8		0.520.48Expected: 0.52, Actual: 0.48-1.8
+1.8		549.2
451.6		Stats
02/25/12Ark Valley
RMRD: Project Mayhem		120
169		547.0
586.0		-0.26-0.17Expected: -0.26, Actual: -0.17+3.9
-4.0		551.0
582.1		Stats
10/15/11Ark Valley
Castle Rock		88
39		548.4
473.8		0.420.39Expected: 0.42, Actual: 0.39-1.3
+1.3		547.0
475.1		Stats
08/13/11Ark Valley
SoCo		108
99		540.2
582.5		-0.140.04Expected: -0.14, Actual: 0.04+8.2
-8.2		548.4
574.4		Stats
06/04/11Ark Valley
SHDG: June's Cleavers		161
81		525.3
512.7		-0.010.33Expected: -0.01, Actual: 0.33+15.0
-15.0		540.2
497.7		Stats
05/21/11Ark Valley
High City		144
139		513.2
551.3		-0.250.02Expected: -0.25, Actual: 0.02+12.1
-12.1		525.3
539.2		Stats
04/09/11Ark Valley
High Desert		279
26		513.2
[unranked]		0.83Actual: 0.83 
 		513.2
444.0		Stats
01/22/11Ark Valley
PPRD: Slamazons		85
122		[unranked]
520.1		-0.18Actual: -0.18 
 		513.2
520.1		Stats