Frederick Roller Derby

Ranking System Global
Current: #819 of 1640 · 355.6 Peak: 422.5 (Jun 2025)
Rating Over Time — GLOBAL
Ranking Detail
DateThis TeamOpponent Expected vs. Actual ChangeNew Rating
6/7/26 Frederick (189) vs Alignments (177) Expected DoS -0.09
Actual DoS 0.03
+7.1 355.6
6/6/26 Frederick (151) vs The Solar Sirens (104) Expected DoS 0.25
Actual DoS 0.18
-3.7 348.5
4/26/26 Frederick (175) vs 301 Derby (189) Expected DoS 0.59
Actual DoS -0.04
-37.7 352.2
10/26/25 Frederick (144) vs DC (143) Expected DoS 0.09
Actual DoS 0.00
-5.4 389.9
8/2/25 Frederick (123) vs Iron Mountain (136) Expected DoS 0.41
Actual DoS -0.05
-27.1 395.3
6/22/25 Frederick (183) vs Brandywine (106) Expected DoS -0.50
Actual DoS 0.27
+45.5 422.5
5/17/25 Frederick (196) vs The Solar Sirens (86) Expected DoS 0.09
Actual DoS 0.39
+18.1 377.0
3/15/25 Frederick (171) vs 301 Derby (150) Expected DoS -0.10
Actual DoS 0.07
+9.6 358.9
9/21/24 Frederick (222) vs DC (191) Expected DoS -0.17
Actual DoS 0.08
+14.6 349.3
8/24/24 Frederick (62) vs Free State (211) Expected DoS -0.44
Actual DoS -0.55
-6.3 334.7
5/11/24 Frederick (108) vs Patuxent (192) Expected DoS 0.41
Actual DoS -0.28
-41.2 341.0
4/13/24 Frederick (131) vs River Rats (103) Expected DoS 0.40
Actual DoS 0.12
-16.6 382.2
3/23/24 Frederick (156) vs Southern Delaware (182) Expected DoS 0.03
Actual DoS -0.08
-6.2 398.8
2/17/24 Frederick (189) vs Dutchland (157) Expected DoS 0.15
Actual DoS 0.09
-3.3 404.9
10/7/23 Frederick (188) vs State College (109) Expected DoS -0.26
Actual DoS 0.27
+31.5 408.2
9/16/23 Frederick (74) vs Metal Vixens (236) Expected DoS 0.17
Actual DoS -0.52
-41.1 376.7
8/12/23 Frederick (238) vs Dutchland (106) Expected DoS -0.11
Actual DoS 0.38
+29.3 417.8
7/15/23 Frederick (156) vs The Fallouts (135) Expected DoS 0.26
Actual DoS 0.07
-11.2 388.5
2/11/23 Frederick (245) vs Rocktown (42) Expected DoS 0.27
Actual DoS 0.71
+26.2 399.7
1/28/23 Frederick (231) vs 301 Derby (225) Expected DoS 0.11
Actual DoS 0.01
-5.6 373.5
10/16/22 Frederick (191) vs NOVA (199) Expected DoS -0.01
Actual DoS -0.02
-0.7 379.1
8/20/22 Frederick (191) vs Southern Delaware (179) Expected DoS 0.29
Actual DoS 0.03
-15.6 379.8
6/18/22 Frederick (129) vs Central Penn (112) Expected DoS 0.47
Actual DoS 0.07
-23.7 395.4
5/21/22 Frederick (248) vs 301 Derby (171) Expected DoS 0.20
Actual DoS 0.18
-1.1 419.1
4/30/22 Frederick (196) vs Harrisburg (63) Expected DoS n/a (debut)
Actual DoS 0.51
420.2