| Date | This Team | Opponent | Expected vs. Actual | Change | New Rating | |
|---|---|---|---|---|---|---|
| 11/02/19 | Rockford (151) | vs South Shore (128) | +0.2 | 500.1 |  Stats | |
| 10/05/19 | Rockford (96) | vs Omaha (223) | -2.0 | 499.9 | Stats | |
| 06/22/19 | Rockford (115) | vs Punishers (150) | +12.5 | 501.9 | Stats | |
| 06/01/19 | Rockford (143) | vs Twin City (190) | +7.5 | 489.5 | Stats | |
| 04/20/19 | Rockford (128) | vs CoMo (166) | +19.6 | 482.0 | Stats | |
| 02/02/19 | Rockford (159) | vs Barbed Wire Betties (136) | -7.6 | 462.5 | Stats | |
| 11/03/18 | Rockford (233) | vs Black-n-Bluegrass (125) | +12.2 | 470.1 | Stats | |
| 09/22/18 | Rockford (116) | vs Quad City Rollers (132) | -4.4 | 457.9 | Stats | |
| 05/12/18 | Rockford (190) | vs Dubuque (115) | -6.3 | 462.3 | Stats | |
| 04/21/18 | Rockford (229) | vs Lafayette (85) | +27.7 | 468.6 | Stats | |
| 10/07/17 | Rockford (96) | vs Confluence (190) | -2.5 | 440.8 | Stats | |
| 06/10/17 | Rockford (134) | vs Mid-State (212) | +0.3 | 443.3 | Stats | |
| 04/01/17 | Rockford (85) | vs Glass City (188) | -5.4 | 443.1 | Stats | |
| 03/04/17 | Rockford (71) | vs Cedar Valley (249) | -7.5 | 448.4 | Stats | |
| 10/01/16 | Rockford (147) | vs Black-n-Bluegrass (210) | -0.2 | 455.9 | Stats | |
| 04/16/16 | Rockford (164) | vs Mississippi Valley (190) | -3.3 | 456.2 | Stats | |
| 10/17/15 | Rockford (239) | vs Dubuque (171) | +0.3 | 459.5 | Stats | |
| 03/28/15 | Rockford (168) | vs QCR: Mississippi Massacre (217) | -1.9 | 459.2 | Stats | |
| 01/24/15 | Rockford (135) | vs Cedar Valley (255) | -4.6 | 461.1 | Stats | |
| 04/26/14 | Rockford (206) | vs Aurora 88s (217) | -7.6 | 465.7 | Stats | |
| 04/19/14 | Rockford (196) | vs Aurora 88s (134) | +17.3 | 473.2 | Stats | |
| 01/25/14 | Rockford (137) | vs Dubuque (144) | +2.5 | 456.0 | Stats | |
| 09/21/13 | Rockford (62) | vs DuPage Derby (261) | -30.8 | 453.5 | Stats | |
| 06/15/13 | Rockford (88) | vs Cedar Valley (174) | -21.0 | 484.3 | Stats | |
| 05/04/13 | Rockford (127) | vs Mississippi Valley (154) | -12.6 | 505.3 | Stats | |
| 03/09/13 | Rockford (276) | vs Midwest Derby Divas (86) | +23.7 | 517.9 | Stats | |
| 01/19/13 | Rockford (157) | vs McLean County (116) | +11.5 | 494.2 | Stats | |
| 12/15/12 | Rockford (52) | vs Twin City (250) | -3.4 | 482.7 | Stats | |
| 07/14/12 | Rockford (126) | vs Aurora 88s (99) | -6.7 | 486.1 | Stats | |
| 06/02/12 | Rockford (95) | vs So Ill (111) | -13.9 | 492.8 | Stats | |
| 05/19/12 | Rockford (118) | vs Mid-State (92) | -14.5 | 506.7 | Stats | |
| 01/28/12 | Rockford (224) | vs Stateline Roller Derby (47) | +5.8 | 521.2 | Stats | |
| 12/10/11 | Rockford (164) | vs Fox Cities (124) | +6.4 | 515.4 | Stats | |
| 07/30/11 | Rockford (95) | vs Black-n-Bluegrass (155) | +0.2 | 509.0 | Stats | |
| 07/09/11 | Rockford (92) | vs Circle City (150) | +1.6 | 508.8 | Stats | |
| 06/25/11 | Rockford (108) | vs Fox Cities (143) | +4.0 | 507.2 | Stats | |
| 05/21/11 | Rockford (66) | vs Black-n-Bluegrass (173) | -6.3 | 503.2 | Stats | |
| 03/26/11 | Rockford (58) | vs ARCH: Arch Nemesis (191) | +6.4 | 509.6 | Stats | |
| 03/19/11 | Rockford (28) | vs Tri-City (191) | -21.8 | 503.1 | Stats | |
| 02/26/11 | Rockford (102) | vs CoMo (145) | +4.9 | 524.9 | Stats | |
| 02/12/11 | Rockford (49) | vs Demolition (325) | -7.0 | 520.0 | Stats | |
| 01/29/11 | Rockford (87) | vs NRD: Warning Belles (194) | +9.4 | 527.0 | Stats | |
| 08/21/10 | Rockford (66) | vs Black-n-Bluegrass (44) | +9.0 | 517.6 | Stats | |
| 08/21/10 | Rockford (36) | vs CORD: Shade Brigade (83) | -28.5 | 508.6 | Stats | |
| 07/17/10 | Rockford (122) | vs NRD: Third Alarm (117) | +0.8 | 537.1 | Stats | |
| 06/26/10 | Rockford (89) | vs Kalamazoo (189) | -2.8 | 536.2 | Stats | |
| 05/23/10 | Rockford (121) | vs Fox Cities (135) | -7.0 | 539.0 | Stats | |
| 05/22/10 | Rockford (115) | vs Mississippi Valley (89) | -12.7 | 546.0 | Stats | |
| 05/15/10 | Rockford (126) | vs ARCH: Arch Nemesis (127) | +10.4 | 558.7 | Stats | |
| 04/17/10 | Rockford (117) | vs FWDG: SWAT team (49) | +18.7 | 548.3 | Stats | |
| 03/27/10 | Rockford (137) | vs PVRG: Flying Squirrels (141) | +0.1 | 529.6 | Stats | |
| 03/13/10 | Rockford (53) | vs Bleeding Heartland (163) | -25.8 | 529.4 | Stats | |
| 02/20/10 | Rockford (103) | vs Kalamazoo (154) | -16.2 | 555.2 | Stats | |
| 07/25/09 | Rockford (131) | vs Fox Cities (67) | 571.4 | Stats | ||
| 05/30/09 | Rockford (89) | vs Bleeding Heartland (142) | -15.0 | 571.4 | Stats | |
| 04/25/09 | Rockford (108) | vs FCRD: Pushy Posse (57) | +1.4 | 586.4 | Stats | |
| 03/14/09 | Rockford (77) | vs Kalamazoo (113) | -1.7 | 584.9 | Stats | |
| 03/07/09 | Rockford (137) | vs MRD: Reservoir Dolls (141) | +12.1 | 586.6 | Stats | |
| 07/26/08 | Rockford (83) | vs Chicago Outfit (136) | +12.4 | 574.6 | Stats | |
| 06/28/08 | Rockford (89) | vs Kalamazoo (134) | 562.2 | Stats |
| Date | Teams | Score | Incoming Ratings | Expected | Actual | Expected vs. Actual | Change | New Ratings | |
|---|---|---|---|---|---|---|---|---|---|
| 11/02/19 | Rockford South Shore | 151 128 | 499.9 493.1 | 0.08 | 0.08 | +0.2 -0.2 | 500.1 492.9 | Stats | |
| 10/05/19 | Rockford Omaha | 96 223 | 501.9 569.2 | -0.36 | -0.40 | -2.0 +2.0 | 499.9 571.3 | Stats | |
| 06/22/19 | Rockford Punishers | 115 150 | 489.5 551.5 | -0.34 | -0.13 | +12.5 -12.5 | 501.9 539.1 | Stats | |
| 06/01/19 | Rockford Twin City | 143 190 | 482.0 545.6 | -0.27 | -0.14 | +7.5 -7.5 | 489.5 538.1 | Stats | |
| 04/20/19 | Rockford CoMo | 128 166 | 462.5 552.3 | -0.46 | -0.13 | +19.6 -19.6 | 482.0 532.7 | Stats | |
| 02/02/19 | Rockford Barbed Wire Betties | 159 136 | 470.1 419.3 | 0.21 | 0.08 | -7.6 +7.6 | 462.5 426.9 | Stats | |
| 11/03/18 | Rockford Black-n-Bluegrass | 233 125 | 457.9 447.5 | 0.10 | 0.30 | +12.2 -12.2 | 470.1 435.3 | Stats | |
| 09/22/18 | Rockford Quad City Rollers | 116 132 | 462.3 469.4 | 0.01 | -0.06 | -4.4 +4.4 | 457.9 473.8 | Stats | |
| 05/12/18 | Rockford Dubuque | 190 115 | 468.6 404.1 | 0.35 | 0.25 | -6.3 +6.3 | 462.3 410.4 | Stats | |
| 04/21/18 | Rockford Lafayette | 229 85 | 440.8 433.2 | -0.01 | 0.46 | +27.7 -27.7 | 468.6 405.4 | Stats | |
| 10/07/17 | Rockford Confluence | 96 190 | 443.3 511.3 | -0.29 | -0.33 | -2.5 +2.5 | 440.8 513.8 | Stats | |
| 06/10/17 | Rockford Mid-State | 134 212 | 443.1 480.9 | -0.23 | -0.23 | +0.3 -0.3 | 443.3 480.6 | Stats | |
| 04/01/17 | Rockford Glass City | 85 188 | 448.4 498.6 | -0.29 | -0.38 | -5.4 +5.4 | 443.1 503.9 | Stats | |
| 03/04/17 | Rockford Cedar Valley | 71 249 | 455.9 539.0 | -0.43 | -0.56 | -7.5 +7.5 | 448.4 546.5 | Stats | |
| 10/01/16 | Rockford Black-n-Bluegrass | 147 210 | 456.2 482.0 | -0.17 | -0.18 | -0.2 +0.2 | 455.9 482.2 | Stats | |
| 04/16/16 | Rockford Mississippi Valley | 164 190 | 459.5 472.1 | -0.02 | -0.07 | -3.3 +3.3 | 456.2 475.4 | Stats | |
| 10/17/15 | Rockford Dubuque | 239 171 | 459.2 436.0 | 0.16 | 0.17 | +0.3 -0.3 | 459.5 435.6 | Stats | |
| 03/28/15 | Rockford QCR: Mississippi Massacre | 168 217 | 461.1 488.3 | -0.09 | -0.13 | -1.9 +1.9 | 459.2 490.2 | Stats | |
| 01/24/15 | Rockford Cedar Valley | 135 255 | 465.7 501.5 | -0.22 | -0.31 | -4.6 +4.6 | 461.1 506.0 | Stats | |
| 04/26/14 | Rockford Aurora 88s | 206 217 | 473.2 458.4 | 0.12 | -0.03 | -7.6 +7.6 | 465.7 465.9 | Stats | |
| 04/19/14 | Rockford Aurora 88s | 196 134 | 456.0 475.6 | -0.14 | 0.19 | +17.3 -17.3 | 473.2 458.4 | Stats | |
| 01/25/14 | Rockford Dubuque | 137 144 | 453.5 477.0 | -0.07 | -0.02 | +2.5 -2.5 | 456.0 474.5 | Stats | |
| 09/21/13 | Rockford DuPage Derby | 62 261 | 484.3 498.6 | -0.03 | -0.62 | -30.8 +30.8 | 453.5 529.4 | Stats | |
| 06/15/13 | Rockford Cedar Valley | 88 174 | 505.3 481.6 | 0.07 | -0.33 | -21.0 +21.0 | 484.3 502.6 | Stats | |
| 05/04/13 | Rockford Mississippi Valley | 127 154 | 517.9 479.6 | 0.15 | -0.10 | -12.6 +12.6 | 505.3 492.2 | Stats | |
| 03/09/13 | Rockford Midwest Derby Divas | 276 86 | 494.2 489.0 | 0.07 | 0.52 | +23.7 -23.7 | 517.9 465.3 | Stats | |
| 01/19/13 | Rockford McLean County | 157 116 | 482.7 487.6 | -0.07 | 0.15 | +11.5 -11.5 | 494.2 476.1 | Stats | |
| 12/15/12 | Rockford Twin City | 52 250 | 486.1 604.1 | -0.58 | -0.66 | -3.4 +3.4 | 482.7 607.6 | Stats | |
| 07/14/12 | Rockford Aurora 88s | 126 99 | 492.8 423.3 | 0.27 | 0.12 | -6.7 +6.7 | 486.1 430.0 | Stats | |
| 06/02/12 | Rockford So Ill | 95 111 | 506.7 444.6 | 0.24 | -0.08 | -13.9 +13.9 | 492.8 458.5 | Stats | |
| 05/19/12 | Rockford Mid-State | 118 92 | 521.2 410.0 | 0.45 | 0.12 | -14.5 +14.5 | 506.7 424.5 | Stats | |
| 01/28/12 | Rockford Stateline Roller Derby | 224 47 | 515.4 413.7 | 0.52 | 0.65 | +5.8 -5.8 | 521.2 407.9 | Stats | |
| 12/10/11 | Rockford Fox Cities | 164 124 | 509.0 524.0 | -0.01 | 0.14 | +6.4 -6.4 | 515.4 517.7 | Stats | |
| 07/30/11 | Rockford Black-n-Bluegrass | 95 155 | 508.8 572.8 | -0.25 | -0.24 | +0.2 -0.2 | 509.0 572.6 | Stats | |
| 07/09/11 | Rockford Circle City | 92 150 | 507.2 549.7 | -0.27 | -0.24 | +1.6 -1.6 | 508.8 548.1 | Stats | |
| 06/25/11 | Rockford Fox Cities | 108 143 | 503.2 536.0 | -0.23 | -0.14 | +4.0 -4.0 | 507.2 532.0 | Stats | |
| 05/21/11 | Rockford Black-n-Bluegrass | 66 173 | 509.6 558.5 | -0.30 | -0.45 | -6.3 +6.3 | 503.2 564.8 | Stats | |
| 03/26/11 | Rockford ARCH: Arch Nemesis | 58 191 | 503.1 654.8 | -0.68 | -0.53 | +6.4 -6.4 | 509.6 648.3 | Stats | |
| 03/19/11 | Rockford Tri-City | 28 191 | 524.9 590.5 | -0.25 | -0.74 | -21.8 +21.8 | 503.1 612.3 | Stats | |
| 02/26/11 | Rockford CoMo | 102 145 | 520.0 592.6 | -0.29 | -0.17 | +4.9 -4.9 | 524.9 587.7 | Stats | |
| 02/12/11 | Rockford Demolition | 49 325 | 527.0 645.3 | -0.58 | -0.74 | -7.0 +7.0 | 520.0 652.3 | Stats | |
| 01/29/11 | Rockford NRD: Warning Belles | 87 194 | 517.6 668.0 | -0.59 | -0.38 | +9.4 -9.4 | 527.0 658.6 | Stats | |
| 08/21/10 | Rockford Black-n-Bluegrass | 66 44 | 508.6 521.5 | 0.01 | 0.20 | +9.0 -9.0 | 517.6 512.5 | Stats | |
| 08/21/10 | Rockford CORD: Shade Brigade | 36 83 | 537.1 482.2 | 0.19 | -0.39 | -28.5 +28.5 | 508.6 510.7 | Stats | |
| 07/17/10 | Rockford NRD: Third Alarm | 122 117 | 536.2 549.5 | 0.00 | 0.02 | +0.8 -0.8 | 537.1 548.6 | Stats | |
| 06/26/10 | Rockford Kalamazoo | 89 189 | 539.0 587.4 | -0.30 | -0.36 | -2.8 +2.8 | 536.2 590.2 | Stats | |
| 05/23/10 | Rockford Fox Cities | 121 135 | 546.0 512.5 | 0.09 | -0.05 | -7.0 +7.0 | 539.0 519.5 | Stats | |
| 05/22/10 | Rockford Mississippi Valley | 115 89 | 558.7 491.7 | 0.39 | 0.13 | -12.7 +12.7 | 546.0 504.4 | Stats | |
| 05/15/10 | Rockford ARCH: Arch Nemesis | 126 127 | 548.3 606.7 | -0.22 | -0.00 | +10.4 -10.4 | 558.7 596.3 | Stats | |
| 04/17/10 | Rockford FWDG: SWAT team | 117 49 | 529.6 539.1 | 0.02 | 0.41 | +18.7 -18.7 | 548.3 520.4 | Stats | |
| 03/27/10 | Rockford PVRG: Flying Squirrels | 137 141 | 529.4 546.8 | -0.02 | -0.01 | +0.1 -0.1 | 529.6 546.7 | Stats | |
| 03/13/10 | Rockford Bleeding Heartland | 53 163 | 555.2 564.4 | 0.02 | -0.51 | -25.8 +25.8 | 529.4 590.1 | Stats | |
| 02/20/10 | Rockford Kalamazoo | 103 154 | 571.4 558.0 | 0.14 | -0.20 | -16.2 +16.2 | 555.2 574.1 | Stats | |
| 07/25/09 | Rockford Fox Cities | 131 67 | 571.4 [unranked] | 0.32 | | 571.4 554.9 | Stats | ||
| 05/30/09 | Rockford Bleeding Heartland | 89 142 | 586.4 556.2 | 0.08 | -0.23 | -15.0 +15.0 | 571.4 571.2 | Stats | |
| 04/25/09 | Rockford FCRD: Pushy Posse | 108 57 | 584.9 513.5 | 0.28 | 0.31 | +1.4 -1.4 | 586.4 512.0 | Stats | |
| 03/14/09 | Rockford Kalamazoo | 77 113 | 586.6 631.8 | -0.15 | -0.19 | -1.7 +1.7 | 584.9 633.4 | Stats | |
| 03/07/09 | Rockford MRD: Reservoir Dolls | 137 141 | 574.6 614.7 | -0.26 | -0.01 | +12.1 -12.1 | 586.6 602.7 | Stats | |
| 07/26/08 | Rockford Chicago Outfit | 83 136 | 562.2 657.7 | -0.50 | -0.24 | +12.4 -12.4 | 574.6 645.3 | Stats | |
| 06/28/08 | Rockford Kalamazoo | 89 134 | [unranked] 574.3 | -0.20 | | 562.2 574.3 | Stats |
