Concussion Roller Derby

Ranking System Global MRDA
Current: #34 of 1640 · 650.1 Peak: 679.0 (May 2025)
Rating Over Time — GLOBAL
Ranking Detail
DateThis TeamOpponent Expected vs. Actual ChangeNew Rating
6/21/26 Concussion (256) vs Y'allhalla (98) Expected DoS 0.30
Actual DoS 0.45
+8.5 650.1
6/20/26 Concussion (120) vs St. Louis GateKeepers (157) Expected DoS -0.21
Actual DoS -0.13
+4.4 641.6
6/19/26 Concussion (189) vs Rangers (181) Expected DoS 0.01
Actual DoS 0.02
+0.5 637.2
5/31/26 Concussion (190) vs Rangers (269) Expected DoS 0.12
Actual DoS -0.17
-17.6 636.7
3/15/26 Concussion (216) vs Rangers (138) Expected DoS 0.33
Actual DoS 0.22
-6.3 654.3
3/15/26 Concussion (117) vs St. Louis GateKeepers (177) Expected DoS -0.01
Actual DoS -0.20
-11.4 660.6
3/14/26 Concussion (153) vs Ground Control (143) Expected DoS 0.07
Actual DoS 0.03
-2.1 672.0
2/13/26 Concussion (247) vs Puget Sound (60) Expected DoS 0.27
Actual DoS 0.61
+20.1 674.1
10/12/25 Concussion (93) vs Quad Guards (235) Expected DoS -0.13
Actual DoS -0.43
-18.1 654.0
10/11/25 Concussion (141) vs St. Louis GateKeepers (134) Expected DoS 0.02
Actual DoS 0.03
+0.4 672.1
10/11/25 Concussion (149) vs Misfits (111) Expected DoS 0.04
Actual DoS 0.15
+6.1 671.7
8/23/25 Concussion (100) vs Ground Control (171) Expected DoS -0.04
Actual DoS -0.26
-13.3 665.6
5/18/25 Concussion (340) vs Pittsburgh (64) Expected DoS 0.47
Actual DoS 0.68
+12.9 679.0
5/17/25 Concussion (233) vs Race City (48) Expected DoS 0.46
Actual DoS 0.66
+11.9 666.1
4/26/25 Concussion (239) vs Puget Sound (58) Expected DoS 0.42
Actual DoS 0.61
+11.4 654.2
3/23/25 Concussion (256) vs Rangers (82) Expected DoS 0.24
Actual DoS 0.51
+16.1 642.7
3/22/25 Concussion (138) vs Ground Control (126) Expected DoS -0.36
Actual DoS 0.05
+24.4 626.7
3/22/25 Concussion (257) vs Puget Sound (86) Expected DoS 0.32
Actual DoS 0.50
+10.5 602.3
10/12/24 Concussion (174) vs Race City (138) Expected DoS 0.27
Actual DoS 0.12
-9.0 591.7
10/12/24 Concussion (211) vs Tyne & Fear (259) Expected DoS 0.27
Actual DoS -0.10
-21.9 600.7
10/11/24 Concussion (310) vs Kent Men's (65) Expected DoS 0.82
Actual DoS 0.65
-10.2 622.7
4/28/24 Concussion (187) vs Puget Sound (111) Expected DoS 0.26
Actual DoS 0.26
-0.3 632.8
4/27/24 Concussion (135) vs Rangers (110) Expected DoS 0.09
Actual DoS 0.10
+0.8 633.1
4/27/24 Concussion (334) vs Chinook City (101) Expected DoS 0.40
Actual DoS 0.54
+8.1 632.3
2/25/24 Concussion (228) vs Pittsburgh (77) Expected DoS 0.26
Actual DoS 0.50
+13.8 624.2
2/25/24 Concussion (160) vs Wreckingballs (149) Expected DoS 0.25
Actual DoS 0.04
-12.8 610.3
2/24/24 Concussion (120) vs Misfits (197) Expected DoS -0.50
Actual DoS -0.24
+15.5 623.1
2/24/24 Concussion (202) vs Puget Sound (106) Expected DoS 0.18
Actual DoS 0.31
+7.7 607.6
10/21/23 Concussion (118) vs Ground Control (228) Expected DoS -0.40
Actual DoS -0.32
+4.9 599.9
10/21/23 Concussion (201) vs Pittsburgh (79) Expected DoS -0.01
Actual DoS 0.44
+26.3 594.9
7/15/23 Concussion (176) vs Puget Sound (175) Expected DoS 0.07
Actual DoS 0.00
-3.7 568.6
6/25/23 Concussion (115) vs Pittsburgh (122) Expected DoS 0.00
Actual DoS -0.03
-1.8 572.3
6/24/23 Concussion (96) vs EMXRD Disorder (180) Expected DoS -0.11
Actual DoS -0.30
-11.4 574.1
6/24/23 Concussion (136) vs Wreckingballs (147) Expected DoS -0.06
Actual DoS -0.04
+1.3 585.5
11/13/22 Concussion (74) vs EMXRD Disorder (143) Expected DoS -0.24
Actual DoS -0.32
-4.8 584.2
11/13/22 Concussion (78) vs St. Louis GateKeepers (291) Expected DoS -0.78
Actual DoS -0.58
+12.3 589.0
11/12/22 Concussion (57) vs Misfits (209) Expected DoS -0.46
Actual DoS -0.57
-6.8 576.7
11/12/22 Concussion (260) vs Pittsburgh (85) Expected DoS 0.02
Actual DoS 0.51
+29.2 583.4
8/18/19 Concussion (130) vs Race City (192) Expected DoS -0.02
Actual DoS -0.19
-10.6 554.2
8/17/19 Concussion (105) vs Bruise Brothers (195) Expected DoS -0.13
Actual DoS -0.30
-10.2 564.8
5/5/19 Concussion (176) vs Philly Hooligans (125) Expected DoS -0.07
Actual DoS 0.17
+14.6 574.9
5/3/19 Concussion (135) vs Puget Sound (124) Expected DoS 0.05
Actual DoS 0.04
-0.2 560.4
5/3/19 Concussion (186) vs Chinook City (135) Expected DoS 0.28
Actual DoS 0.16
-7.5 560.6
4/6/19 Concussion (108) vs Bridgetown (213) Expected DoS -0.79
Actual DoS -0.33
+27.8 568.1
6/3/18 Concussion (208) vs Wisconsin United (120) Expected DoS 0.18
Actual DoS 0.27
+5.2 540.3
6/3/18 Concussion (318) vs Houston Men's (133) Expected DoS 0.44
Actual DoS 0.41
-1.6 535.1
6/1/18 Concussion (179) vs Bruise Brothers (127) Expected DoS 0.39
Actual DoS 0.17
-13.1 536.7
5/6/18 Concussion (397) vs Norsemen (64) Expected DoS 0.37
Actual DoS 0.72
+21.0 549.8
5/5/18 Concussion (171) vs Wheels of Mayhem (109) Expected DoS -0.09
Actual DoS 0.22
+18.6 528.8
5/4/18 Concussion (125) vs Ground Control (313) Expected DoS -0.50
Actual DoS -0.43
+4.5 510.2
3/10/18 Concussion (203) vs Heat (201) Expected DoS -0.23
Actual DoS 0.00
+13.8 505.8
10/28/17 Concussion (215) vs Skaters Grim (125) Expected DoS 0.00
Actual DoS 0.26
+16.1 492.0
9/16/17 Concussion (250) vs CoDead Derby (98) Expected DoS 0.77
Actual DoS 0.44
-20.1 475.9
5/6/17 Concussion (111) vs Wheels of Mayhem (245) Expected DoS -0.07
Actual DoS -0.38
-18.2 496.0
5/5/17 Concussion (173) vs Chinook City (165) Expected DoS -0.23
Actual DoS 0.02
+15.4 514.2
5/4/17 Concussion (135) vs Victorian Vanguard (237) Expected DoS -0.62
Actual DoS -0.27
+20.6 498.8
3/19/17 Concussion (33) vs Bridgetown (567) Expected DoS -0.86
Actual DoS -0.89
-2.0 478.2
2/18/17 Concussion (171) vs Heat (203) Expected DoS -0.32
Actual DoS -0.09
+13.8 480.2
5/1/16 Concussion (130) vs Twin Cities Terrors (271) Expected DoS -0.32
Actual DoS -0.35
-1.9 466.4
4/30/16 Concussion (193) vs Ground Control (311) Expected DoS -0.09
Actual DoS -0.23
-8.3 468.3
4/29/16 Concussion (42) vs Vancouver Murder (322) Expected DoS -0.26
Actual DoS -0.77
-30.5 476.7
11/22/15 Concussion (129) vs Vancouver Murder (187) Expected DoS -0.32
Actual DoS -0.18
+7.4 507.2
11/21/15 Concussion (190) vs Chinook City (207) Expected DoS -0.17
Actual DoS -0.04
+6.6 499.8
7/11/15 Concussion (183) vs Bridgetown Brawlers (134) Expected DoS n/a (debut)
Actual DoS 0.15
+0.0 493.3
5/3/15 Concussion (257) vs Dreadnaughts (76) Expected DoS 0.40
Actual DoS 0.54
+7.5 493.3
5/2/15 Concussion (136) vs Heat (218) Expected DoS -0.29
Actual DoS -0.23
+3.1 485.8
5/1/15 Concussion (162) vs Austin Anarchy (148) Expected DoS 0.09
Actual DoS 0.05
-2.6 482.6
3/7/15 Concussion (198) vs Skaters Grim (149) Expected DoS -0.27
Actual DoS 0.14
+21.5 485.2
12/6/14 Concussion (213) vs Salem Men's (171) Expected DoS 0.08
Actual DoS 0.11
+1.5 463.8
11/9/14 Concussion (166) vs Ground Control (218) Expected DoS -0.38
Actual DoS -0.14
+12.7 462.2
11/8/14 Concussion (134) vs Wasatch Men's (186) Expected DoS -0.36
Actual DoS -0.16
+10.3 449.5
11/8/14 Concussion (105) vs Chinook City (213) Expected DoS -0.43
Actual DoS -0.34
+4.8 439.2
6/7/14 Concussion (162) vs Holy Roll'N Empire (202) Expected DoS -0.59
Actual DoS -0.11
+25.0 434.4
5/11/14 Concussion (112) vs Dreadnaughts (135) Expected DoS -0.13
Actual DoS -0.09
+1.8 409.4
5/10/14 Concussion (115) vs Dallas Inception (223) Expected DoS -0.40
Actual DoS -0.32
+4.2 407.6
5/10/14 Concussion (65) vs Chinook City (327) Expected DoS -0.56
Actual DoS -0.67
-5.5 403.4
5/9/14 Concussion (114) vs Wasatch Men's (287) Expected DoS -0.26
Actual DoS -0.43
-9.1 408.8
5/2/14 Concussion (95) vs Salem Men's (203) Expected DoS -0.04
Actual DoS -0.36
-17.1 417.9
2/22/14 Concussion (187) vs Salem Men's (182) Expected DoS n/a (debut)
Actual DoS 0.01
+0.0 435.0
5/20/13 Concussion (76) vs Southern Discomfort (544) Expected DoS -0.47
Actual DoS -0.75
-14.9 435.0
5/18/13 Concussion (60) vs Rattleskates (375) Expected DoS -0.36
Actual DoS -0.72
-18.9 449.9
5/18/13 Concussion (203) vs Capital City (210) Expected DoS -0.11
Actual DoS -0.02
+4.8 468.8
4/27/13 Concussion (56) vs Bone Daddies (264) Expected DoS -0.50
Actual DoS -0.65
-7.7 464.0
3/30/13 Concussion (77) vs Honey Badgers (275) Expected DoS -0.16
Actual DoS -0.56
-21.2 471.7
10/27/12 Concussion (72) vs Deep Valley (270) Expected DoS -0.44
Actual DoS -0.58
-6.0 492.9
6/9/12 Concussion (47) vs Puget Sound (368) Expected DoS -0.75
Actual DoS -0.77
-0.9 499.0
6/9/12 Concussion (60) vs Bridgetown (307) Expected DoS -0.33
Actual DoS -0.67
-15.0 499.8
2/11/12 Concussion (120) vs Wasatch Men's (150) Expected DoS 0.02
Actual DoS -0.11
-5.7 514.9
2/11/12 Concussion (206) vs Capital City (139) Expected DoS 0.35
Actual DoS 0.19
-6.7 520.5
1/15/12 Concussion (154) vs Deep Valley (198) Expected DoS 0.10
Actual DoS -0.13
-10.0 527.2
8/26/11 Concussion (120) vs Bridgetown (142) Expected DoS 0.00
Actual DoS -0.08
-3.8 537.2
7/9/11 Concussion (153) vs Bridgetown (155) Expected DoS 0.25
Actual DoS -0.01
-11.3 541.0
7/3/11 Concussion (81) vs Your Mom (342) Expected DoS -0.06
Actual DoS -0.62
-24.9 552.3
3/4/11 Concussion (77) vs Puget Sound (172) Expected DoS -0.25
Actual DoS -0.38
-6.0 577.2
3/4/11 Concussion (40) vs Puget Sound (87) Expected DoS -0.16
Actual DoS -0.37
-9.5 583.2
3/4/11 Concussion (160) vs Wasatch Men's (29) Expected DoS 0.47
Actual DoS 0.69
+9.8 592.7
12/18/10 Concussion (253) vs Bridgetown (61) Expected DoS n/a (debut)
Actual DoS 0.61
582.8