| Date | This Team | Opponent | Expected vs. Actual | Change | New Rating | |
|---|---|---|---|---|---|---|
| 10/06/18 | Port City (146) | vs Outlaws Roller Derby (180) | -8.4 | 405.2 |  Stats | |
| 08/11/18 | Port City (145) | vs Flood Water (146) | -4.8 | 413.6 | Stats | |
| 06/16/18 | Port City (172) | vs SINVDG: Innocents (148) | -3.7 | 418.4 | Stats | |
| 03/17/18 | Port City (152) | vs Sis-Q (154) | -4.3 | 422.1 | Stats | |
| 10/21/17 | Port City (248) | vs SoS (105) | +16.2 | 426.4 | Stats | |
| 07/22/17 | Port City (210) | vs Woodland (117) | -12.1 | 410.1 | Stats | |
| 06/03/17 | Port City (155) | vs Carson (171) | -20.5 | 422.3 | Stats | |
| 09/14/13 | Port City (140) | vs SRD: Bruin Trouble (243) | -28.8 | 442.7 | Stats | |
| 05/11/13 | Port City (126) | vs San Fernando (188) | -32.5 | 471.6 | Stats | |
| 05/05/13 | Port City (196) | vs Underground Derby (55) | +16.1 | 504.1 | Stats | |
| 04/06/13 | Port City (246) | vs West Coast Knockouts (146) | +14.8 | 488.0 | Stats | |
| 09/29/12 | Port City (121) | vs SINtral Valley (21) | +23.5 | 473.2 | Stats | |
| 09/08/12 | Port City (219) | vs VCDD: Battalion of Skates (144) | -4.3 | 449.7 | Stats | |
| 09/08/12 | Port City (219) | vs Ventura (144) | +6.4 | 454.1 | Stats | |
| 08/18/12 | Port City (149) | vs San Fernando (139) | +1.9 | 447.6 | Stats | |
| 07/14/12 | Port City (168) | vs South Bay Mizfitz (68) | 445.7 | Stats | ||
| 05/12/12 | Port City (167) | vs CCAD: Rock n Rolla (71) | +6.7 | 445.7 | Stats | |
| 04/21/12 | Port City (185) | vs Nor Cal (108) | +4.2 | 439.0 | Stats | |
| 03/03/12 | Port City (154) | vs South Coast (68) | +3.1 | 434.8 | Stats | |
| 05/21/11 | Port City (204) | vs Angry Beavers (96) | +2.3 | 431.7 | Stats | |
| 04/30/11 | Port City (51) | vs Humboldt (201) | -22.4 | 429.4 | Stats | |
| 10/09/10 | Port City (199) | vs Rollin' Roulettes (83) | +15.9 | 451.7 | Stats | |
| 09/11/10 | Port City (98) | vs NBD: Wine Country Homewreckers (110) | +6.8 | 435.8 | Stats | |
| 09/11/10 | Port City (98) | vs North Bay (110) | -1.4 | 429.0 | Stats | |
| 07/31/10 | Port City (63) | vs BAD: Oakland Outlaws (210) | -9.1 | 430.4 | Stats | |
| 07/10/10 | Port City (45) | vs Bakersfield (123) | -21.5 | 439.5 | Stats | |
| 05/22/10 | Port City (73) | vs Diamond Divas (76) | -18.1 | 461.0 | Stats | |
| 10/24/09 | Port City (98) | vs Silicon Valley (90) | +6.8 | 479.1 | Stats | |
| 09/12/09 | Port City (148) | vs Lava City (75) | +5.3 | 472.3 | Stats | |
| 08/15/09 | Port City (87) | vs Santa Cruz (86) | -1.3 | 467.0 | Stats | |
| 06/20/09 | Port City (115) | vs Nor Cal (69) | -0.2 | 468.3 | Stats | |
| 05/16/09 | Port City (78) | vs SRRD: Battle Born Derby Demons (43) | +2.7 | 468.5 | Stats | |
| 04/18/09 | Port City (82) | vs Diamond Divas (38) | +5.7 | 465.8 | Stats | |
| 04/11/09 | Port City (64) | vs Humboldt (95) | -7.5 | 460.1 | Stats | |
| 03/21/09 | Port City (50) | vs BAD: Oakland Outlaws (97) | -3.7 | 467.6 | Stats | |
| 10/25/08 | Port City (44) | vs SCDG: Disciples (63) | -18.9 | 471.3 | Stats | |
| 10/18/08 | Port City (67) | vs North Bay (73) | +1.7 | 490.2 | Stats | |
| 09/27/08 | Port City (69) | vs Central Coast (CA) (45) | -9.3 | 488.5 | Stats | |
| 08/30/08 | Port City (86) | vs Silicon Valley (92) | -4.7 | 497.9 | Stats | |
| 08/16/08 | Port City (105) | vs ACD: Shore Shots (63) | +26.7 | 502.6 | Stats | |
| 07/26/08 | Port City (103) | vs Sacramento (72) | +7.6 | 475.9 | Stats | |
| 03/29/08 | Port City (74) | vs Lava City (81) | +7.1 | 468.3 | Stats | |
| 10/20/07 | Port City (127) | vs SRRD: Battle Born Derby Demons (50) | +19.4 | 461.2 | Stats | |
| 09/22/07 | Port City (122) | vs North Bay (54) | 441.8 | Stats | ||
| 08/25/07 | Port City (130) | vs Angry Beavers (57) | 441.8 | Stats | ||
| 07/21/07 | Port City (59) | vs Bakersfield (106) | -4.7 | 441.8 | Stats | |
| 06/23/07 | Port City (106) | vs SRRD: Battle Born Derby Demons (119) | +8.1 | 446.6 | Stats | |
| 04/28/07 | Port City (71) | vs Sacramento (123) | +9.6 | 438.5 | Stats | |
| 03/29/07 | Port City (52) | vs Sacramento (149) | -11.4 | 428.9 | Stats | |
| 03/24/07 | Port City (36) | vs NOtown (146) | 440.3 | Stats |
| Date | Teams | Score | Incoming Ratings | Expected | Actual | Expected vs. Actual | Change | New Ratings | |
|---|---|---|---|---|---|---|---|---|---|
| 10/06/18 | Port City Outlaws Roller Derby | 146 180 | 413.6 415.2 | 0.04 | -0.10 | -8.4 +8.4 | 405.2 423.6 | Stats | |
| 08/11/18 | Port City Flood Water | 145 146 | 418.4 393.9 | 0.08 | -0.00 | -4.8 +4.8 | 413.6 398.7 | Stats | |
| 06/16/18 | Port City SINVDG: Innocents | 172 148 | 422.1 385.4 | 0.14 | 0.08 | -3.7 +3.7 | 418.4 389.1 | Stats | |
| 03/17/18 | Port City Sis-Q | 152 154 | 426.4 422.3 | 0.07 | -0.01 | -4.3 +4.3 | 422.1 426.6 | Stats | |
| 10/21/17 | Port City SoS | 248 105 | 410.1 392.5 | 0.13 | 0.41 | +16.2 -16.2 | 426.4 376.2 | Stats | |
| 07/22/17 | Port City Woodland | 210 117 | 422.3 324.6 | 0.49 | 0.28 | -12.1 +12.1 | 410.1 336.7 | Stats | |
| 06/03/17 | Port City Carson | 155 171 | 442.7 373.1 | 0.29 | -0.05 | -20.5 +20.5 | 422.3 393.6 | Stats | |
| 09/14/13 | Port City SRD: Bruin Trouble | 140 243 | 471.6 404.5 | 0.28 | -0.27 | -28.8 +28.8 | 442.7 433.3 | Stats | |
| 05/11/13 | Port City San Fernando | 126 188 | 504.1 422.5 | 0.42 | -0.20 | -32.5 +32.5 | 471.6 455.0 | Stats | |
| 05/05/13 | Port City Underground Derby | 196 55 | 488.0 427.1 | 0.25 | 0.56 | +16.1 -16.1 | 504.1 411.0 | Stats | |
| 04/06/13 | Port City West Coast Knockouts | 246 146 | 473.2 469.7 | -0.03 | 0.26 | +14.8 -14.8 | 488.0 454.9 | Stats | |
| 09/29/12 | Port City SINtral Valley | 121 21 | 449.7 430.1 | 0.17 | 0.70 | +23.5 -23.5 | 473.2 406.6 | Stats | |
| 09/08/12 | Port City VCDD: Battalion of Skates | 219 144 | 454.1 405.2 | 0.30 | 0.21 | -4.3 +4.3 | 449.7 409.5 | Stats | |
| 09/08/12 | Port City Ventura | 219 144 | 447.6 449.3 | 0.06 | 0.21 | +6.4 -6.4 | 454.1 442.9 | Stats | |
| 08/18/12 | Port City San Fernando | 149 139 | 445.7 433.4 | -0.01 | 0.03 | +1.9 -1.9 | 447.6 431.5 | Stats | |
| 07/14/12 | Port City South Bay Mizfitz | 168 68 | 445.7 [unranked] | 0.42 | | 445.7 422.0 | Stats | ||
| 05/12/12 | Port City CCAD: Rock n Rolla | 167 71 | 439.0 401.6 | 0.25 | 0.40 | +6.7 -6.7 | 445.7 394.8 | Stats | |
| 04/21/12 | Port City Nor Cal | 185 108 | 434.8 386.9 | 0.17 | 0.26 | +4.2 -4.2 | 439.0 382.7 | Stats | |
| 03/03/12 | Port City South Coast | 154 68 | 431.7 379.7 | 0.32 | 0.39 | +3.1 -3.1 | 434.8 376.6 | Stats | |
| 05/21/11 | Port City Angry Beavers | 204 96 | 429.4 379.9 | 0.31 | 0.36 | +2.3 -2.3 | 431.7 377.5 | Stats | |
| 04/30/11 | Port City Humboldt | 51 201 | 451.7 483.8 | -0.09 | -0.60 | -22.4 +22.4 | 429.4 506.2 | Stats | |
| 10/09/10 | Port City Rollin' Roulettes | 199 83 | 435.8 405.5 | 0.08 | 0.41 | +15.9 -15.9 | 451.7 389.6 | Stats | |
| 09/11/10 | Port City NBD: Wine Country Homewreckers | 98 110 | 429.0 455.4 | -0.20 | -0.06 | +6.8 -6.8 | 435.8 448.6 | Stats | |
| 09/11/10 | Port City North Bay | 98 110 | 430.4 450.0 | -0.03 | -0.06 | -1.4 +1.4 | 429.0 451.4 | Stats | |
| 07/31/10 | Port City BAD: Oakland Outlaws | 63 210 | 439.5 498.6 | -0.35 | -0.54 | -9.1 +9.1 | 430.4 507.7 | Stats | |
| 07/10/10 | Port City Bakersfield | 45 123 | 461.0 450.8 | -0.02 | -0.46 | -21.5 +21.5 | 439.5 472.3 | Stats | |
| 05/22/10 | Port City Diamond Divas | 73 76 | 479.1 419.0 | 0.35 | -0.02 | -18.1 +18.1 | 461.0 437.1 | Stats | |
| 10/24/09 | Port City Silicon Valley | 98 90 | 472.3 505.9 | -0.10 | 0.04 | +6.8 -6.8 | 479.1 499.1 | Stats | |
| 09/12/09 | Port City Lava City | 148 75 | 467.0 436.7 | 0.22 | 0.33 | +5.3 -5.3 | 472.3 431.4 | Stats | |
| 08/15/09 | Port City Santa Cruz | 87 86 | 468.3 475.8 | 0.03 | 0.01 | -1.3 +1.3 | 467.0 477.0 | Stats | |
| 06/20/09 | Port City Nor Cal | 115 69 | 468.5 402.5 | 0.25 | 0.25 | -0.2 +0.2 | 468.3 402.7 | Stats | |
| 05/16/09 | Port City SRRD: Battle Born Derby Demons | 78 43 | 465.8 432.0 | 0.23 | 0.29 | +2.7 -2.7 | 468.5 429.4 | Stats | |
| 04/18/09 | Port City Diamond Divas | 82 38 | 460.1 423.3 | 0.25 | 0.37 | +5.7 -5.7 | 465.8 417.6 | Stats | |
| 04/11/09 | Port City Humboldt | 64 95 | 467.6 461.4 | -0.04 | -0.19 | -7.5 +7.5 | 460.1 469.0 | Stats | |
| 03/21/09 | Port City BAD: Oakland Outlaws | 50 97 | 471.3 535.0 | -0.24 | -0.32 | -3.7 +3.7 | 467.6 538.7 | Stats | |
| 10/25/08 | Port City SCDG: Disciples | 44 63 | 490.2 432.9 | 0.21 | -0.18 | -18.9 +18.9 | 471.3 451.8 | Stats | |
| 10/18/08 | Port City North Bay | 67 73 | 488.5 490.1 | -0.08 | -0.04 | +1.7 -1.7 | 490.2 488.4 | Stats | |
| 09/27/08 | Port City Central Coast (CA) | 69 45 | 497.9 426.2 | 0.40 | 0.21 | -9.3 +9.3 | 488.5 435.5 | Stats | |
| 08/30/08 | Port City Silicon Valley | 86 92 | 502.6 475.8 | 0.06 | -0.03 | -4.7 +4.7 | 497.9 480.5 | Stats | |
| 08/16/08 | Port City ACD: Shore Shots | 105 63 | 475.9 524.5 | -0.30 | 0.25 | +26.7 -26.7 | 502.6 497.8 | Stats | |
| 07/26/08 | Port City Sacramento | 103 72 | 468.3 478.3 | 0.02 | 0.18 | +7.6 -7.6 | 475.9 470.7 | Stats | |
| 03/29/08 | Port City Lava City | 74 81 | 461.2 486.0 | -0.19 | -0.05 | +7.1 -7.1 | 468.3 478.9 | Stats | |
| 10/20/07 | Port City SRRD: Battle Born Derby Demons | 127 50 | 441.8 448.9 | 0.03 | 0.44 | +19.4 -19.4 | 461.2 429.6 | Stats | |
| 09/22/07 | Port City North Bay | 122 54 | 441.8 [unranked] | 0.39 | | 441.8 411.5 | Stats | ||
| 08/25/07 | Port City Angry Beavers | 130 57 | 441.8 [unranked] | 0.39 | | 441.8 411.0 | Stats | ||
| 07/21/07 | Port City Bakersfield | 59 106 | 446.6 498.4 | -0.19 | -0.28 | -4.7 +4.7 | 441.8 503.2 | Stats | |
| 06/23/07 | Port City SRRD: Battle Born Derby Demons | 106 119 | 438.5 470.3 | -0.23 | -0.06 | +8.1 -8.1 | 446.6 462.2 | Stats | |
| 04/28/07 | Port City Sacramento | 71 123 | 428.9 516.0 | -0.47 | -0.27 | +9.6 -9.6 | 438.5 506.4 | Stats | |
| 03/29/07 | Port City Sacramento | 52 149 | 440.3 504.6 | -0.25 | -0.48 | -11.4 +11.4 | 428.9 516.0 | Stats | |
| 03/24/07 | Port City NOtown | 36 146 | [unranked] [unranked] | -0.60 | | 440.3 495.7 | Stats |
