| Date | This Team | Opponent | Expected vs. Actual | Change | New Rating | |
|---|---|---|---|---|---|---|
| 10/06/18 | Port City (146) | vs Outlaws Roller Derby (180) | -8.6 | 534.2 |  Stats | |
| 08/11/18 | Port City (145) | vs Flood Water (146) | -5.0 | 542.8 | Stats | |
| 06/16/18 | Port City (172) | vs SINVDG: Innocents (148) | -3.8 | 547.8 | Stats | |
| 03/17/18 | Port City (152) | vs Sis-Q (154) | -5.2 | 551.6 | Stats | |
| 10/21/17 | Port City (248) | vs SoS (105) | +16.4 | 556.8 | Stats | |
| 07/22/17 | Port City (210) | vs Woodland (117) | -12.6 | 540.4 | Stats | |
| 06/03/17 | Port City (155) | vs Carson (171) | -21.7 | 553.0 | Stats | |
| 09/14/13 | Port City (140) | vs SRD: Bruin Trouble (243) | -29.3 | 574.7 | Stats | |
| 05/11/13 | Port City (126) | vs San Fernando (188) | -32.6 | 604.0 | Stats | |
| 05/05/13 | Port City (196) | vs Underground Derby (55) | +16.9 | 636.6 | Stats | |
| 04/06/13 | Port City (246) | vs West Coast Knockouts (146) | +15.3 | 619.7 | Stats | |
| 09/29/12 | Port City (121) | vs SINtral Valley (21) | +22.3 | 604.4 | Stats | |
| 09/08/12 | Port City (219) | vs VCDD: Battalion of Skates (144) | -4.6 | 582.1 | Stats | |
| 09/08/12 | Port City (219) | vs Ventura (144) | +8.0 | 586.8 | Stats | |
| 08/18/12 | Port City (149) | vs San Fernando (139) | +1.2 | 578.7 | Stats | |
| 07/14/12 | Port City (168) | vs South Bay Mizfitz (68) | 577.6 | Stats | ||
| 05/12/12 | Port City (167) | vs CCAD: Rock n Rolla (71) | +4.7 | 577.6 | Stats | |
| 04/21/12 | Port City (185) | vs Nor Cal (108) | +3.7 | 572.9 | Stats | |
| 03/03/12 | Port City (154) | vs South Coast (68) | +2.0 | 569.2 | Stats | |
| 05/21/11 | Port City (204) | vs Angry Beavers (96) | +1.2 | 567.2 | Stats | |
| 04/30/11 | Port City (51) | vs Humboldt (201) | -21.8 | 566.0 | Stats | |
| 10/09/10 | Port City (199) | vs Rollin' Roulettes (83) | +14.6 | 587.9 | Stats | |
| 09/11/10 | Port City (98) | vs NBD: Wine Country Homewreckers (110) | +6.0 | 573.3 | Stats | |
| 09/11/10 | Port City (98) | vs North Bay (110) | -1.4 | 567.2 | Stats | |
| 07/31/10 | Port City (63) | vs BAD: Oakland Outlaws (210) | -9.4 | 568.6 | Stats | |
| 07/10/10 | Port City (45) | vs Bakersfield (123) | -21.2 | 578.1 | Stats | |
| 05/22/10 | Port City (73) | vs Diamond Divas (76) | -17.5 | 599.3 | Stats | |
| 10/24/09 | Port City (98) | vs Silicon Valley (90) | +6.4 | 616.8 | Stats | |
| 09/12/09 | Port City (148) | vs Lava City (75) | +6.2 | 610.4 | Stats | |
| 08/15/09 | Port City (87) | vs Santa Cruz (86) | -2.0 | 604.2 | Stats | |
| 06/20/09 | Port City (115) | vs Nor Cal (69) | -1.0 | 606.2 | Stats | |
| 05/16/09 | Port City (78) | vs SRRD: Battle Born Derby Demons (43) | +2.8 | 607.2 | Stats | |
| 04/18/09 | Port City (82) | vs Diamond Divas (38) | +7.5 | 604.5 | Stats | |
| 04/11/09 | Port City (64) | vs Humboldt (95) | -8.0 | 596.9 | Stats | |
| 03/21/09 | Port City (50) | vs BAD: Oakland Outlaws (97) | -4.8 | 604.9 | Stats | |
| 10/25/08 | Port City (44) | vs SCDG: Disciples (63) | -19.7 | 609.7 | Stats | |
| 10/18/08 | Port City (67) | vs North Bay (73) | +1.6 | 629.3 | Stats | |
| 09/27/08 | Port City (69) | vs Central Coast (CA) (45) | -7.6 | 627.7 | Stats | |
| 08/30/08 | Port City (86) | vs Silicon Valley (92) | -5.7 | 635.3 | Stats | |
| 08/16/08 | Port City (105) | vs ACD: Shore Shots (63) | +26.7 | 641.0 | Stats | |
| 07/26/08 | Port City (103) | vs Sacramento (72) | +9.5 | 614.3 | Stats | |
| 03/29/08 | Port City (74) | vs Lava City (81) | +7.9 | 604.8 | Stats | |
| 10/20/07 | Port City (127) | vs SRRD: Battle Born Derby Demons (50) | +21.3 | 596.9 | Stats | |
| 09/22/07 | Port City (122) | vs North Bay (54) | 575.6 | Stats | ||
| 08/25/07 | Port City (130) | vs Angry Beavers (57) | 575.6 | Stats | ||
| 07/21/07 | Port City (59) | vs Bakersfield (106) | -4.3 | 575.6 | Stats | |
| 06/23/07 | Port City (106) | vs SRRD: Battle Born Derby Demons (119) | +10.4 | 579.9 | Stats | |
| 04/28/07 | Port City (71) | vs Sacramento (123) | +10.3 | 569.5 | Stats | |
| 03/29/07 | Port City (52) | vs Sacramento (149) | -9.8 | 559.2 | Stats | |
| 03/24/07 | Port City (36) | vs NOtown (146) | 569.1 | Stats |
| Date | Teams | Score | Incoming Ratings | Expected | Actual | Expected vs. Actual | Change | New Ratings | |
|---|---|---|---|---|---|---|---|---|---|
| 10/06/18 | Port City Outlaws Roller Derby | 146 180 | 542.8 543.7 | 0.04 | -0.10 | -8.6 +8.6 | 534.2 552.3 | Stats | |
| 08/11/18 | Port City Flood Water | 145 146 | 547.8 522.6 | 0.08 | -0.00 | -5.0 +5.0 | 542.8 527.6 | Stats | |
| 06/16/18 | Port City SINVDG: Innocents | 172 148 | 551.6 514.6 | 0.14 | 0.08 | -3.8 +3.8 | 547.8 518.4 | Stats | |
| 03/17/18 | Port City Sis-Q | 152 154 | 556.8 549.7 | 0.08 | -0.01 | -5.2 +5.2 | 551.6 554.9 | Stats | |
| 10/21/17 | Port City SoS | 248 105 | 540.4 523.3 | 0.13 | 0.41 | +16.4 -16.4 | 556.8 506.9 | Stats | |
| 07/22/17 | Port City Woodland | 210 117 | 553.0 453.3 | 0.50 | 0.28 | -12.6 +12.6 | 540.4 465.9 | Stats | |
| 06/03/17 | Port City Carson | 155 171 | 574.7 500.5 | 0.32 | -0.05 | -21.7 +21.7 | 553.0 522.2 | Stats | |
| 09/14/13 | Port City SRD: Bruin Trouble | 140 243 | 604.0 535.1 | 0.29 | -0.27 | -29.3 +29.3 | 574.7 564.4 | Stats | |
| 05/11/13 | Port City San Fernando | 126 188 | 636.6 554.6 | 0.43 | -0.20 | -32.6 +32.6 | 604.0 587.2 | Stats | |
| 05/05/13 | Port City Underground Derby | 196 55 | 619.7 562.0 | 0.24 | 0.56 | +16.9 -16.9 | 636.6 545.1 | Stats | |
| 04/06/13 | Port City West Coast Knockouts | 246 146 | 604.4 602.9 | -0.04 | 0.26 | +15.3 -15.3 | 619.7 587.6 | Stats | |
| 09/29/12 | Port City SINtral Valley | 121 21 | 582.1 556.8 | 0.20 | 0.70 | +22.3 -22.3 | 604.4 534.5 | Stats | |
| 09/08/12 | Port City VCDD: Battalion of Skates | 219 144 | 586.8 536.3 | 0.31 | 0.21 | -4.6 +4.6 | 582.1 541.0 | Stats | |
| 09/08/12 | Port City Ventura | 219 144 | 578.7 587.6 | 0.03 | 0.21 | +8.0 -8.0 | 586.8 579.6 | Stats | |
| 08/18/12 | Port City San Fernando | 149 139 | 577.6 562.0 | 0.01 | 0.03 | +1.2 -1.2 | 578.7 560.8 | Stats | |
| 07/14/12 | Port City South Bay Mizfitz | 168 68 | 577.6 [unranked] | 0.42 | | 577.6 553.9 | Stats | ||
| 05/12/12 | Port City CCAD: Rock n Rolla | 167 71 | 572.9 525.5 | 0.30 | 0.40 | +4.7 -4.7 | 577.6 520.8 | Stats | |
| 04/21/12 | Port City Nor Cal | 185 108 | 569.2 518.9 | 0.18 | 0.26 | +3.7 -3.7 | 572.9 515.2 | Stats | |
| 03/03/12 | Port City South Coast | 154 68 | 567.2 509.8 | 0.34 | 0.39 | +2.0 -2.0 | 569.2 507.8 | Stats | |
| 05/21/11 | Port City Angry Beavers | 204 96 | 566.0 510.7 | 0.33 | 0.36 | +1.2 -1.2 | 567.2 509.5 | Stats | |
| 04/30/11 | Port City Humboldt | 51 201 | 587.9 622.4 | -0.10 | -0.60 | -21.8 +21.8 | 566.0 644.2 | Stats | |
| 10/09/10 | Port City Rollin' Roulettes | 199 83 | 573.3 537.3 | 0.11 | 0.41 | +14.6 -14.6 | 587.9 522.8 | Stats | |
| 09/11/10 | Port City NBD: Wine Country Homewreckers | 98 110 | 567.2 590.2 | -0.18 | -0.06 | +6.0 -6.0 | 573.3 584.2 | Stats | |
| 09/11/10 | Port City North Bay | 98 110 | 568.6 588.4 | -0.03 | -0.06 | -1.4 +1.4 | 567.2 589.8 | Stats | |
| 07/31/10 | Port City BAD: Oakland Outlaws | 63 210 | 578.1 635.6 | -0.34 | -0.54 | -9.4 +9.4 | 568.6 645.1 | Stats | |
| 07/10/10 | Port City Bakersfield | 45 123 | 599.3 590.4 | -0.03 | -0.46 | -21.2 +21.2 | 578.1 611.6 | Stats | |
| 05/22/10 | Port City Diamond Divas | 73 76 | 616.8 559.3 | 0.34 | -0.02 | -17.5 +17.5 | 599.3 576.9 | Stats | |
| 10/24/09 | Port City Silicon Valley | 98 90 | 610.4 642.4 | -0.09 | 0.04 | +6.4 -6.4 | 616.8 636.0 | Stats | |
| 09/12/09 | Port City Lava City | 148 75 | 604.2 577.8 | 0.20 | 0.33 | +6.2 -6.2 | 610.4 571.6 | Stats | |
| 08/15/09 | Port City Santa Cruz | 87 86 | 606.2 610.7 | 0.05 | 0.01 | -2.0 +2.0 | 604.2 612.7 | Stats | |
| 06/20/09 | Port City Nor Cal | 115 69 | 607.2 537.7 | 0.27 | 0.25 | -1.0 +1.0 | 606.2 538.7 | Stats | |
| 05/16/09 | Port City SRRD: Battle Born Derby Demons | 78 43 | 604.5 571.2 | 0.23 | 0.29 | +2.8 -2.8 | 607.2 568.4 | Stats | |
| 04/18/09 | Port City Diamond Divas | 82 38 | 596.9 568.2 | 0.21 | 0.37 | +7.5 -7.5 | 604.5 560.6 | Stats | |
| 04/11/09 | Port City Humboldt | 64 95 | 604.9 596.9 | -0.03 | -0.19 | -8.0 +8.0 | 596.9 604.9 | Stats | |
| 03/21/09 | Port City BAD: Oakland Outlaws | 50 97 | 609.7 668.6 | -0.22 | -0.32 | -4.8 +4.8 | 604.9 673.4 | Stats | |
| 10/25/08 | Port City SCDG: Disciples | 44 63 | 629.3 568.5 | 0.23 | -0.18 | -19.7 +19.7 | 609.7 588.2 | Stats | |
| 10/18/08 | Port City North Bay | 67 73 | 627.7 629.0 | -0.08 | -0.04 | +1.6 -1.6 | 629.3 627.4 | Stats | |
| 09/27/08 | Port City Central Coast (CA) | 69 45 | 635.3 572.2 | 0.37 | 0.21 | -7.6 +7.6 | 627.7 579.8 | Stats | |
| 08/30/08 | Port City Silicon Valley | 86 92 | 641.0 610.2 | 0.08 | -0.03 | -5.7 +5.7 | 635.3 615.9 | Stats | |
| 08/16/08 | Port City ACD: Shore Shots | 105 63 | 614.3 662.9 | -0.30 | 0.25 | +26.7 -26.7 | 641.0 636.2 | Stats | |
| 07/26/08 | Port City Sacramento | 103 72 | 604.8 622.5 | -0.02 | 0.18 | +9.5 -9.5 | 614.3 613.0 | Stats | |
| 03/29/08 | Port City Lava City | 74 81 | 596.9 625.3 | -0.21 | -0.05 | +7.9 -7.9 | 604.8 617.4 | Stats | |
| 10/20/07 | Port City SRRD: Battle Born Derby Demons | 127 50 | 575.6 590.8 | -0.01 | 0.44 | +21.3 -21.3 | 596.9 569.5 | Stats | |
| 09/22/07 | Port City North Bay | 122 54 | 575.6 [unranked] | 0.39 | | 575.6 545.2 | Stats | ||
| 08/25/07 | Port City Angry Beavers | 130 57 | 575.6 [unranked] | 0.39 | | 575.6 544.8 | Stats | ||
| 07/21/07 | Port City Bakersfield | 59 106 | 579.9 633.5 | -0.20 | -0.28 | -4.3 +4.3 | 575.6 637.8 | Stats | |
| 06/23/07 | Port City SRRD: Battle Born Derby Demons | 106 119 | 569.5 611.6 | -0.27 | -0.06 | +10.4 -10.4 | 579.9 601.2 | Stats | |
| 04/28/07 | Port City Sacramento | 71 123 | 559.2 650.2 | -0.48 | -0.27 | +10.3 -10.3 | 569.5 639.9 | Stats | |
| 03/29/07 | Port City Sacramento | 52 149 | 569.1 640.4 | -0.28 | -0.48 | -9.8 +9.8 | 559.2 650.2 | Stats | |
| 03/24/07 | Port City NOtown | 36 146 | [unranked] [unranked] | -0.60 | | 569.1 624.5 | Stats |
