Concussion Roller Derby

Ranking System Global MRDA
Current: #5 of 52 · 878.1 Peak: 911.5 (Mar 2026)
Rating Over Time — MRDA
Ranking Detail
DateThis TeamOpponent Expected vs. Actual ChangeNew Rating
6/21/26 Concussion (256) vs Y'allhalla (98) Expected DoS 0.34
Actual DoS 0.45
+6.0 878.1
6/20/26 Concussion (120) vs St. Louis GateKeepers (157) Expected DoS -0.23
Actual DoS -0.13
+5.5 872.0
6/19/26 Concussion (189) vs Rangers (181) Expected DoS 0.02
Actual DoS 0.02
-0.1 866.6
5/31/26 Concussion (190) vs Rangers (269) Expected DoS 0.24
Actual DoS -0.17
-23.7 866.7
3/15/26 Concussion (216) vs Rangers (138) Expected DoS 0.33
Actual DoS 0.22
-6.6 890.4
3/15/26 Concussion (117) vs St. Louis GateKeepers (177) Expected DoS 0.05
Actual DoS -0.20
-14.6 896.9
3/14/26 Concussion (153) vs Ground Control (143) Expected DoS -0.06
Actual DoS 0.03
+5.4 911.5
2/13/26 Concussion (247) vs Puget Sound (60) Expected DoS 0.40
Actual DoS 0.61
+12.2 906.1
10/12/25 Concussion (93) vs Quad Guards (235) Expected DoS -0.35
Actual DoS -0.43
-5.0 893.9
10/11/25 Concussion (141) vs St. Louis GateKeepers (134) Expected DoS 0.03
Actual DoS 0.03
+0.0 898.9
10/11/25 Concussion (149) vs Misfits (111) Expected DoS -0.05
Actual DoS 0.15
+11.5 898.9
8/23/25 Concussion (100) vs Ground Control (171) Expected DoS 0.02
Actual DoS -0.26
-16.1 887.4
5/18/25 Concussion (340) vs Pittsburgh (64) Expected DoS 0.57
Actual DoS 0.68
+6.8 903.5
5/17/25 Concussion (233) vs Race City (48) Expected DoS 0.40
Actual DoS 0.66
+14.8 896.7
4/26/25 Concussion (239) vs Puget Sound (58) Expected DoS 0.44
Actual DoS 0.61
+9.7 881.9
3/23/25 Concussion (256) vs Rangers (82) Expected DoS 0.29
Actual DoS 0.51
+13.3 872.2
3/22/25 Concussion (138) vs Ground Control (126) Expected DoS -0.40
Actual DoS 0.05
+26.1 858.9
3/22/25 Concussion (257) vs Puget Sound (86) Expected DoS 0.46
Actual DoS 0.50
+2.4 832.8
10/12/24 Concussion (174) vs Race City (138) Expected DoS 0.24
Actual DoS 0.12
-7.0 830.4
10/12/24 Concussion (211) vs Tyne & Fear (259) Expected DoS -0.04
Actual DoS -0.10
-3.5 837.4
10/11/24 Concussion (310) vs Kent Men's (65) Expected DoS 0.64
Actual DoS 0.65
+0.7 840.9
4/28/24 Concussion (187) vs Puget Sound (111) Expected DoS 0.23
Actual DoS 0.26
+1.6 840.2
4/27/24 Concussion (135) vs Rangers (110) Expected DoS 0.01
Actual DoS 0.10
+5.5 838.6
4/27/24 Concussion (334) vs Chinook City (101) Expected DoS 0.51
Actual DoS 0.54
+1.5 833.1
2/25/24 Concussion (228) vs Pittsburgh (77) Expected DoS 0.35
Actual DoS 0.50
+8.6 831.7
2/25/24 Concussion (160) vs Wreckingballs (149) Expected DoS 0.27
Actual DoS 0.04
-13.7 823.1
2/24/24 Concussion (120) vs Misfits (197) Expected DoS -0.60
Actual DoS -0.24
+20.6 836.7
2/24/24 Concussion (202) vs Puget Sound (106) Expected DoS 0.12
Actual DoS 0.31
+10.9 816.1
10/21/23 Concussion (118) vs Ground Control (228) Expected DoS -0.49
Actual DoS -0.32
+10.0 805.2
10/21/23 Concussion (201) vs Pittsburgh (79) Expected DoS -0.12
Actual DoS 0.44
+32.4 795.1
7/15/23 Concussion (176) vs Puget Sound (175) Expected DoS -0.21
Actual DoS 0.00
+12.1 762.7
6/25/23 Concussion (115) vs Pittsburgh (122) Expected DoS -0.36
Actual DoS -0.03
+19.1 750.6
6/24/23 Concussion (96) vs EMXRD Disorder (180) Expected DoS 0.12
Actual DoS -0.30
-24.8 731.5
6/24/23 Concussion (136) vs Wreckingballs (147) Expected DoS 0.19
Actual DoS -0.04
-13.6 756.4
8/18/19 Concussion (130) vs Race City (192) Expected DoS 0.08
Actual DoS -0.19
-15.6 769.9
8/17/19 Concussion (105) vs Bruise Brothers (195) Expected DoS -0.13
Actual DoS -0.30
-9.7 785.5
5/5/19 Concussion (176) vs Philly Hooligans (125) Expected DoS -0.08
Actual DoS 0.17
+14.8 795.2
5/3/19 Concussion (135) vs Puget Sound (124) Expected DoS -0.04
Actual DoS 0.04
+4.9 780.4
5/3/19 Concussion (186) vs Chinook City (135) Expected DoS 0.27
Actual DoS 0.16
-6.3 775.5
4/6/19 Concussion (108) vs Bridgetown (213) Expected DoS -0.82
Actual DoS -0.33
+28.9 781.8
6/3/18 Concussion (208) vs Wisconsin United (120) Expected DoS 0.28
Actual DoS 0.27
-0.6 752.9
6/3/18 Concussion (318) vs Houston Men's (133) Expected DoS 0.43
Actual DoS 0.41
-1.2 753.5
6/1/18 Concussion (179) vs Bruise Brothers (127) Expected DoS 0.52
Actual DoS 0.17
-20.3 754.7
5/6/18 Concussion (397) vs Norsemen (64) Expected DoS 0.35
Actual DoS 0.72
+21.6 775.0
5/5/18 Concussion (171) vs Wheels of Mayhem (109) Expected DoS -0.14
Actual DoS 0.22
+21.2 753.4
5/4/18 Concussion (125) vs Ground Control (313) Expected DoS -0.45
Actual DoS -0.43
+0.9 732.2
3/10/18 Concussion (203) vs Heat (201) Expected DoS -0.19
Actual DoS 0.00
+11.1 731.3
10/28/17 Concussion (215) vs Skaters Grim (125) Expected DoS -0.04
Actual DoS 0.26
+17.7 720.2
5/6/17 Concussion (111) vs Wheels of Mayhem (245) Expected DoS -0.15
Actual DoS -0.38
-13.0 702.5
5/5/17 Concussion (173) vs Chinook City (165) Expected DoS -0.27
Actual DoS 0.02
+17.1 715.5
5/4/17 Concussion (135) vs Victorian Vanguard (237) Expected DoS -0.41
Actual DoS -0.27
+7.8 698.4
3/19/17 Concussion (33) vs Bridgetown (567) Expected DoS -0.87
Actual DoS -0.89
-1.4 690.6
2/18/17 Concussion (171) vs Heat (203) Expected DoS -0.24
Actual DoS -0.09
+9.2 692.0
5/1/16 Concussion (130) vs Twin Cities Terrors (271) Expected DoS -0.31
Actual DoS -0.35
-2.3 682.7
4/30/16 Concussion (193) vs Ground Control (311) Expected DoS 0.07
Actual DoS -0.23
-17.5 685.1
4/29/16 Concussion (42) vs Vancouver Murder (322) Expected DoS -0.29
Actual DoS -0.77
-27.6 702.6
11/22/15 Concussion (129) vs Vancouver Murder (187) Expected DoS -0.41
Actual DoS -0.18
+13.0 730.2
11/21/15 Concussion (190) vs Chinook City (207) Expected DoS -0.27
Actual DoS -0.04
+13.4 717.2
5/3/15 Concussion (257) vs Dreadnaughts (76) Expected DoS 0.13
Actual DoS 0.54
+23.7 703.7
5/2/15 Concussion (136) vs Heat (218) Expected DoS -0.37
Actual DoS -0.23
+7.8 680.0
5/1/15 Concussion (162) vs Austin Anarchy (148) Expected DoS -0.33
Actual DoS 0.05
+21.7 672.2
12/6/14 Concussion (213) vs Salem Men's (171) Expected DoS n/a (debut)
Actual DoS 0.11
+0.0 650.5
11/8/14 Concussion (134) vs Wasatch Men's (186) Expected DoS -0.32
Actual DoS -0.16
+9.1 650.5
11/8/14 Concussion (105) vs Chinook City (213) Expected DoS -0.59
Actual DoS -0.34
+14.5 641.4
5/11/14 Concussion (112) vs Dreadnaughts (135) Expected DoS -0.21
Actual DoS -0.09
+6.6 626.9
5/10/14 Concussion (65) vs Chinook City (327) Expected DoS -0.63
Actual DoS -0.67
-2.5 620.4
5/9/14 Concussion (114) vs Wasatch Men's (287) Expected DoS 0.04
Actual DoS -0.43
-27.6 622.9
5/20/13 Concussion (76) vs Southern Discomfort (544) Expected DoS -0.37
Actual DoS -0.75
-22.4 650.5
5/18/13 Concussion (60) vs Rattleskates (375) Expected DoS -0.16
Actual DoS -0.72
-32.5 672.9
5/18/13 Concussion (203) vs Capital City (210) Expected DoS -0.09
Actual DoS -0.02
+4.3 705.4
10/27/12 Concussion (72) vs Deep Valley (270) Expected DoS -0.29
Actual DoS -0.58
-16.7 701.1
6/9/12 Concussion (47) vs Puget Sound (368) Expected DoS -0.68
Actual DoS -0.77
-5.3 717.8
6/9/12 Concussion (60) vs Bridgetown (307) Expected DoS n/a (debut)
Actual DoS -0.67
723.1