Boston Roller Derby

Ranking System WFTDA Global
Current: #17 of 541 · 853.7 Peak: 861.7 (Sep 2009)
Rating Over Time — WFTDA
Ranking Detail
DateThis TeamOpponent Expected vs. Actual ChangeNew Rating
5/31/26 Boston (153) vs Detroit (135) Expected DoS 0.14
Actual DoS 0.06
-4.4 853.7
5/30/26 Boston (119) vs Black Rose Rollers (64) Expected DoS 0.04
Actual DoS 0.30
+15.2 858.1
5/30/26 Boston (171) vs Windy City (216) Expected DoS -0.07
Actual DoS -0.12
-2.8 842.9
4/26/26 Boston (108) vs Gotham (191) Expected DoS -0.28
Actual DoS -0.28
-0.1 845.7
4/25/26 Boston (119) vs Montreal (204) Expected DoS -0.38
Actual DoS -0.26
+7.0 845.8
3/28/26 Boston (93) vs Denver (376) Expected DoS -0.65
Actual DoS -0.60
+2.8 838.8
3/27/26 Boston (203) vs Bruising Altitude (171) Expected DoS 0.25
Actual DoS 0.09
-9.9 836.0
3/27/26 Boston (111) vs Groms Legacy (147) Expected DoS -0.16
Actual DoS -0.14
+1.3 845.9
10/26/25 Boston (98) vs Montreal (255) Expected DoS -0.45
Actual DoS -0.44
+0.4 844.6
10/25/25 Boston (142) vs Arch Rival (376) Expected DoS -0.74
Actual DoS -0.45
+17.2 844.2
10/19/25 Boston (171) vs Texas (173) Expected DoS 0.06
Actual DoS -0.01
-3.7 827.0
10/18/25 Boston (200) vs Atlanta (140) Expected DoS 0.33
Actual DoS 0.18
-8.8 830.7
10/18/25 Boston (238) vs Rockin' City (126) Expected DoS 0.27
Actual DoS 0.31
+2.2 839.5
6/1/25 Boston (89) vs Gotham (165) Expected DoS -0.39
Actual DoS -0.30
+5.4 837.3
5/31/25 Boston (230) vs Detroit (133) Expected DoS 0.11
Actual DoS 0.27
+9.1 831.9
5/30/25 Boston (147) vs Windy City (130) Expected DoS 0.30
Actual DoS 0.06
-13.9 822.8
4/20/25 Boston (203) vs Arizona (142) Expected DoS 0.33
Actual DoS 0.18
-8.8 836.7
4/19/25 Boston (137) vs Axles of Annihilation (176) Expected DoS -0.39
Actual DoS -0.12
+15.7 845.5
4/18/25 Boston (163) vs Minnesota (153) Expected DoS -0.04
Actual DoS 0.03
+4.4 829.8
3/16/25 Boston (240) vs Connecticut (164) Expected DoS 0.36
Actual DoS 0.19
-10.2 825.4
5/19/24 Boston (132) vs Minnesota (113) Expected DoS -0.12
Actual DoS 0.08
+11.8 835.6
5/17/24 Boston (195) vs Windy City (199) Expected DoS 0.03
Actual DoS -0.01
-2.5 823.8
5/17/24 Boston (174) vs Tri-City (106) Expected DoS 0.19
Actual DoS 0.24
+3.1 826.3
3/24/24 Boston (141) vs Windy City (114) Expected DoS -0.15
Actual DoS 0.11
+14.9 823.3
3/23/24 Boston (132) vs Detroit (173) Expected DoS -0.11
Actual DoS -0.13
-1.5 808.4
3/3/24 Boston (297) vs Connecticut (95) Expected DoS 0.32
Actual DoS 0.52
+11.7 809.9
3/3/24 Boston (237) vs Madison (101) Expected DoS 0.38
Actual DoS 0.40
+1.2 798.2
11/18/23 Boston (49) vs Gotham (221) Expected DoS -0.68
Actual DoS -0.64
+2.3 797.0
9/10/23 Boston (64) vs Montreal (173) Expected DoS -0.62
Actual DoS -0.46
+9.2 794.7
9/9/23 Boston (135) vs Ann Arbor (143) Expected DoS 0.24
Actual DoS -0.03
-15.8 785.5
9/9/23 Boston (44) vs Arch Rival (298) Expected DoS -0.76
Actual DoS -0.74
+0.9 801.3
8/12/23 Boston (210) vs Penn Jersey (37) Expected DoS 0.36
Actual DoS 0.70
+20.0 800.4
8/25/19 Boston (170) vs Naptown (149) Expected DoS 0.10
Actual DoS 0.07
-2.2 780.5
8/24/19 Boston (148) vs Detroit (218) Expected DoS -0.11
Actual DoS -0.19
-4.8 782.7
8/24/19 Boston (202) vs Columbia (74) Expected DoS 0.02
Actual DoS 0.46
+26.1 787.5
5/4/19 Boston (117) vs Sailor City (124) Expected DoS -0.11
Actual DoS -0.03
+4.7 761.4
5/4/19 Boston (92) vs Göteborg (220) Expected DoS 0.08
Actual DoS -0.41
-29.0 756.7
5/3/19 Boston (156) vs Sacramento (141) Expected DoS 0.11
Actual DoS 0.05
-3.7 785.7
4/7/19 Boston (230) vs Toronto (107) Expected DoS 0.49
Actual DoS 0.36
-7.5 789.4
4/6/19 Boston (251) vs ORG All-Stars (74) Expected DoS 0.28
Actual DoS 0.54
+15.5 796.9
4/6/19 Boston (93) vs Queen City (177) Expected DoS 0.00
Actual DoS -0.31
-18.1 781.4
3/10/19 Boston (113) vs Houston (144) Expected DoS 0.14
Actual DoS -0.12
-15.2 799.5
3/10/19 Boston (109) vs Naptown (119) Expected DoS -0.06
Actual DoS -0.04
+1.2 814.8
3/9/19 Boston (192) vs Dublin (156) Expected DoS 0.18
Actual DoS 0.10
-4.5 813.6
3/9/19 Boston (206) vs Sacramento (107) Expected DoS 0.23
Actual DoS 0.32
+4.9 818.1
8/19/18 Boston (206) vs Charlottesville (169) Expected DoS 0.05
Actual DoS 0.10
+3.1 813.2
8/18/18 Boston (249) vs Des Moines (124) Expected DoS -0.02
Actual DoS 0.34
+21.1 810.1
8/18/18 Boston (276) vs North Star (145) Expected DoS 0.21
Actual DoS 0.31
+5.8 789.0
8/4/18 Boston (239) vs ORG All-Stars (128) Expected DoS 0.49
Actual DoS 0.30
-11.0 783.2
6/30/18 Boston (205) vs Charlottesville (210) Expected DoS 0.13
Actual DoS -0.01
-8.1 794.2
6/2/18 Boston (310) vs Garden State (67) Expected DoS 0.41
Actual DoS 0.64
+13.8 802.4
4/29/18 Boston (116) vs Atlanta (323) Expected DoS -0.40
Actual DoS -0.47
-4.3 788.6
4/28/18 Boston (177) vs Ann Arbor (173) Expected DoS 0.18
Actual DoS 0.01
-9.8 792.9
4/28/18 Boston (261) vs Blue Ridge (164) Expected DoS 0.17
Actual DoS 0.23
+3.4 802.6
8/20/17 Boston (166) vs Paris (150) Expected DoS 0.23
Actual DoS 0.05
-10.4 799.2
8/20/17 Boston (262) vs Naptown (86) Expected DoS 0.02
Actual DoS 0.51
+28.7 809.6
8/19/17 Boston (198) vs Paris (115) Expected DoS 0.08
Actual DoS 0.27
+11.2 781.0
8/19/17 Boston (196) vs Tucson (110) Expected DoS 0.02
Actual DoS 0.28
+15.6 769.8
8/18/17 Boston (194) vs Volcanic City (184) Expected DoS 0.26
Actual DoS 0.03
-13.9 754.3
6/18/17 Boston (132) vs Santa Cruz (215) Expected DoS -0.38
Actual DoS -0.24
+8.6 768.2
6/17/17 Boston (62) vs Tampa (257) Expected DoS -0.29
Actual DoS -0.61
-18.8 759.6
6/17/17 Boston (87) vs Bay Area (231) Expected DoS -0.35
Actual DoS -0.45
-5.8 778.4
6/16/17 Boston (122) vs Terminal City (191) Expected DoS -0.21
Actual DoS -0.22
-0.7 784.2
5/6/17 Boston (156) vs Queen City (224) Expected DoS -0.16
Actual DoS -0.18
-1.0 784.9
9/4/16 Boston (79) vs Dallas (245) Expected DoS -0.17
Actual DoS -0.51
-20.0 785.8
9/3/16 Boston (186) vs Rocky Mtn. (164) Expected DoS 0.30
Actual DoS 0.06
-13.7 805.8
9/3/16 Boston (172) vs Sun State (171) Expected DoS 0.05
Actual DoS 0.00
-3.0 819.5
9/2/16 Boston (131) vs Bay Area (187) Expected DoS -0.08
Actual DoS -0.18
-5.6 822.5
7/10/16 Boston (390) vs Ottawa Valley (70) Expected DoS 0.52
Actual DoS 0.70
+10.5 828.1
7/9/16 Boston (184) vs Montreal (226) Expected DoS -0.21
Actual DoS -0.10
+6.6 817.6
6/19/16 Boston (305) vs Toronto (81) Expected DoS 0.54
Actual DoS 0.58
+2.6 810.9
6/18/16 Boston (142) vs Montreal (239) Expected DoS -0.19
Actual DoS -0.25
-3.6 808.4
6/17/16 Boston (271) vs Charm City (162) Expected DoS 0.20
Actual DoS 0.25
+3.0 811.9
6/5/16 Boston (110) vs Tampa (229) Expected DoS -0.28
Actual DoS -0.35
-4.1 808.9
5/14/16 Boston (124) vs Philly (156) Expected DoS -0.19
Actual DoS -0.11
+4.3 813.1
4/9/16 Boston (241) vs Steel City (129) Expected DoS 0.02
Actual DoS 0.30
+16.7 808.8
10/4/15 Boston (203) vs No Coast (139) Expected DoS -0.11
Actual DoS 0.19
+17.7 792.1
10/3/15 Boston (187) vs Helsinki (165) Expected DoS 0.12
Actual DoS 0.06
-3.6 774.4
10/3/15 Boston (212) vs Toronto (127) Expected DoS 0.08
Actual DoS 0.25
+10.0 778.0
10/2/15 Boston (112) vs Minnesota (201) Expected DoS -0.46
Actual DoS -0.28
+10.5 768.0
6/6/15 Boston (172) vs Nashville (107) Expected DoS 0.11
Actual DoS 0.23
+7.3 757.5
5/30/15 Boston (94) vs Montreal (213) Expected DoS 0.06
Actual DoS -0.39
-26.3 750.2
5/3/15 Boston (173) vs Terminal City (177) Expected DoS -0.05
Actual DoS -0.01
+2.2 776.5
5/2/15 Boston (95) vs Atlanta (250) Expected DoS -0.37
Actual DoS -0.45
-4.7 774.2
5/1/15 Boston (160) vs Helsinki (148) Expected DoS 0.29
Actual DoS 0.04
-14.7 778.9
4/18/15 Boston (135) vs Charm City (121) Expected DoS -0.14
Actual DoS 0.05
+11.5 793.7
4/12/15 Boston (281) vs Ohio (136) Expected DoS -0.08
Actual DoS 0.35
+25.4 782.2
4/11/15 Boston (196) vs Steel City (194) Expected DoS 0.04
Actual DoS 0.01
-2.3 756.8
3/22/15 Boston (182) vs Ottawa Valley (159) Expected DoS 0.09
Actual DoS 0.07
-1.1 759.1
3/21/15 Boston (168) vs Steel City (127) Expected DoS 0.04
Actual DoS 0.14
+5.6 760.2
3/21/15 Boston (182) vs Toronto (233) Expected DoS 0.05
Actual DoS -0.12
-10.3 754.7
10/5/14 Boston (219) vs Columbia (115) Expected DoS 0.21
Actual DoS 0.31
+6.0 765.0
10/4/14 Boston (175) vs Madison (176) Expected DoS 0.02
Actual DoS 0.00
-1.4 759.0
10/4/14 Boston (230) vs Jet City (146) Expected DoS 0.21
Actual DoS 0.22
+1.0 760.4
10/3/14 Boston (116) vs Philly (320) Expected DoS -0.48
Actual DoS -0.47
+0.6 759.4
6/22/14 Boston (160) vs Terminal City (269) Expected DoS -0.18
Actual DoS -0.25
-4.3 758.7
6/21/14 Boston (99) vs Victoria (287) Expected DoS -0.32
Actual DoS -0.49
-9.8 763.0
6/7/14 Boston (190) vs Ohio (223) Expected DoS 0.19
Actual DoS -0.08
-15.8 772.8
5/3/14 Boston (162) vs Montreal (239) Expected DoS -0.12
Actual DoS -0.19
-4.5 788.5
4/19/14 Boston (170) vs Charm City (209) Expected DoS 0.11
Actual DoS -0.10
-12.3 793.0
9/29/13 Boston (317) vs Sacred (158) Expected DoS 0.24
Actual DoS 0.33
+5.5 805.3
9/28/13 Boston (198) vs Toronto (204) Expected DoS 0.02
Actual DoS -0.01
-1.9 799.8
9/28/13 Boston (373) vs Chicago Outfit (179) Expected DoS 0.46
Actual DoS 0.35
-6.6 801.8
9/27/13 Boston (205) vs Rat City (212) Expected DoS -0.16
Actual DoS -0.02
+8.5 808.3
7/27/13 Boston (195) vs Detroit (153) Expected DoS 0.01
Actual DoS 0.12
+6.4 799.8
6/30/13 Boston (197) vs Tampa (128) Expected DoS 0.10
Actual DoS 0.21
+6.4 793.5
6/29/13 Boston (179) vs Houston (156) Expected DoS -0.08
Actual DoS 0.07
+8.9 787.1
6/9/13 Boston (287) vs Carolina (78) Expected DoS 0.54
Actual DoS 0.57
+1.8 778.2
5/18/13 Boston (255) vs Maine (87) Expected DoS 0.59
Actual DoS 0.49
-6.1 776.3
4/14/13 Boston (153) vs Philly (232) Expected DoS -0.50
Actual DoS -0.21
+17.3 782.4
4/13/13 Boston (108) vs Charm City (214) Expected DoS -0.25
Actual DoS -0.33
-4.5 765.2
3/16/13 Boston (117) vs Montreal (188) Expected DoS -0.24
Actual DoS -0.23
+0.6 769.7
9/30/12 Boston (156) vs Carolina (128) Expected DoS -0.01
Actual DoS 0.10
+6.2 769.1
9/29/12 Boston (116) vs Montreal (222) Expected DoS -0.23
Actual DoS -0.31
-4.9 762.9
9/28/12 Boston (106) vs Philly (229) Expected DoS -0.41
Actual DoS -0.37
+2.8 767.8
9/28/12 Boston (226) vs DC (131) Expected DoS 0.26
Actual DoS 0.27
+0.6 765.0
8/11/12 Boston (237) vs Cincinnati (111) Expected DoS 0.15
Actual DoS 0.36
+12.7 764.4
7/14/12 Boston (90) vs Montreal (147) Expected DoS -0.07
Actual DoS -0.24
-10.1 751.7
6/24/12 Boston (131) vs Charm City (229) Expected DoS -0.34
Actual DoS -0.27
+3.7 761.8
6/23/12 Boston (203) vs Arizona (187) Expected DoS -0.11
Actual DoS 0.04
+9.1 758.1
6/17/12 Boston (251) vs Providence (76) Expected DoS 0.44
Actual DoS 0.54
+5.7 749.0
6/16/12 Boston (199) vs Maine (136) Expected DoS 0.44
Actual DoS 0.19
-15.1 743.3
5/19/12 Boston (172) vs Dutchland (153) Expected DoS 0.26
Actual DoS 0.06
-11.9 758.4
5/6/12 Boston (149) vs Carolina (140) Expected DoS 0.04
Actual DoS 0.03
-0.2 770.3
4/28/12 Boston (131) vs Naptown (182) Expected DoS 0.10
Actual DoS -0.16
-15.2 770.5
9/18/11 Boston (213) vs Dutchland (90) Expected DoS 0.12
Actual DoS 0.41
+16.7 785.7
9/17/11 Boston (95) vs London (142) Expected DoS 0.04
Actual DoS -0.20
-13.9 769.1
9/17/11 Boston (176) vs Maine (69) Expected DoS 0.18
Actual DoS 0.44
+15.2 782.9
9/16/11 Boston (88) vs Charm City (191) Expected DoS -0.27
Actual DoS -0.37
-6.0 767.7
8/14/11 Boston (199) vs Jet City (83) Expected DoS -0.01
Actual DoS 0.41
+24.9 773.7
8/12/11 Boston (61) vs Rose (239) Expected DoS -0.68
Actual DoS -0.59
+4.9 748.9
7/9/11 Boston (44) vs Windy City (147) Expected DoS -0.29
Actual DoS -0.54
-14.4 744.0
7/8/11 Boston (102) vs Houston (96) Expected DoS 0.02
Actual DoS 0.03
+0.7 758.4
6/26/11 Boston (80) vs Tampa (86) Expected DoS 0.19
Actual DoS -0.04
-13.3 757.7
6/25/11 Boston (142) vs Dutchland (104) Expected DoS 0.11
Actual DoS 0.15
+2.3 771.0
6/11/11 Boston (24) vs Gotham (260) Expected DoS -0.65
Actual DoS -0.83
-10.5 768.7
5/14/11 Boston (95) vs Kansas City (164) Expected DoS -0.26
Actual DoS -0.27
-0.1 779.2
4/23/11 Boston (113) vs Maine (84) Expected DoS 0.11
Actual DoS 0.15
+2.2 779.3
4/16/11 Boston (59) vs Philly (163) Expected DoS -0.07
Actual DoS -0.47
-23.6 777.1
3/19/11 Boston (105) vs Steel City (101) Expected DoS 0.15
Actual DoS 0.02
-7.5 800.8
2/26/11 Boston (84) vs Montreal (112) Expected DoS 0.12
Actual DoS -0.14
-15.5 808.2
9/26/10 Boston (128) vs Charm City (162) Expected DoS -0.07
Actual DoS -0.12
-3.0 823.7
9/25/10 Boston (61) vs Philly (162) Expected DoS -0.23
Actual DoS -0.45
-12.9 826.8
9/24/10 Boston (147) vs Montreal (85) Expected DoS 0.16
Actual DoS 0.27
+6.5 839.7
8/21/10 Boston (136) vs Charm City (152) Expected DoS -0.02
Actual DoS -0.06
-2.1 833.1
7/31/10 Boston (115) vs Windy City (121) Expected DoS -0.14
Actual DoS -0.03
+6.6 835.2
7/17/10 Boston (110) vs Madison (89) Expected DoS 0.13
Actual DoS 0.11
-1.5 828.7
6/27/10 Boston (61) vs Rose (87) Expected DoS -0.20
Actual DoS -0.18
+1.4 830.1
6/26/10 Boston (82) vs Gotham (166) Expected DoS -0.52
Actual DoS -0.34
+10.8 828.8
6/19/10 Boston (100) vs Denver (203) Expected DoS -0.29
Actual DoS -0.34
-2.8 818.0
5/22/10 Boston (111) vs Montreal (58) Expected DoS 0.07
Actual DoS 0.31
+14.4 820.7
5/15/10 Boston (60) vs Oly (125) Expected DoS -0.27
Actual DoS -0.35
-4.8 806.3
4/17/10 Boston (52) vs Philly (137) Expected DoS -0.07
Actual DoS -0.45
-22.6 811.1
3/20/10 Boston (110) vs Carolina (55) Expected DoS 0.51
Actual DoS 0.33
-10.4 833.7
2/27/10 Boston (170) vs Providence (41) Expected DoS 0.58
Actual DoS 0.61
+2.0 844.1
11/14/09 Boston (72) vs Texas (111) Expected DoS -0.21
Actual DoS -0.21
-0.4 842.2
11/13/09 Boston (104) vs Madison (96) Expected DoS 0.36
Actual DoS 0.04
-19.1 842.6
9/19/09 Boston (298) vs Pikes Peak (22) Expected DoS 0.46
Actual DoS 0.86
+24.0 861.7
9/13/09 Boston (156) vs Charm City (142) Expected DoS -0.08
Actual DoS 0.05
+7.6 837.7
9/12/09 Boston (53) vs Gotham (154) Expected DoS -0.36
Actual DoS -0.49
-7.5 830.1
9/11/09 Boston (112) vs Carolina (40) Expected DoS 0.24
Actual DoS 0.47
+13.6 837.6
8/29/09 Boston (130) vs Montreal (31) Expected DoS 0.65
Actual DoS 0.61
-1.9 824.0
8/15/09 Boston (84) vs Detroit (108) Expected DoS 0.21
Actual DoS -0.13
-19.7 825.9
7/31/09 Boston (129) vs Bay Area (58) Expected DoS -0.04
Actual DoS 0.38
+24.7 845.6
7/25/09 Boston (230) vs Connecticut (14) Expected DoS 0.52
Actual DoS 0.89
+21.5 820.9
7/18/09 Boston (155) vs Elevated (107) Expected DoS 0.24
Actual DoS 0.18
-3.4 799.4
6/28/09 Boston (81) vs Windy City (117) Expected DoS -0.41
Actual DoS -0.18
+13.5 802.8
6/27/09 Boston (81) vs Carolina (82) Expected DoS 0.16
Actual DoS -0.01
-9.8 789.3
6/20/09 Boston (84) vs Texas (118) Expected DoS -0.36
Actual DoS -0.17
+11.5 799.0
5/16/09 Boston (125) vs Rocky Mtn. (87) Expected DoS 0.33
Actual DoS 0.18
-8.7 787.6
4/18/09 Boston (63) vs Philly (121) Expected DoS -0.20
Actual DoS -0.32
-6.9 796.2
3/28/09 Boston (44) vs Gotham (188) Expected DoS -0.59
Actual DoS -0.62
-1.7 803.1
3/21/09 Boston (77) vs Charm City (89) Expected DoS 0.26
Actual DoS -0.07
-19.9 804.8
2/28/09 Boston (128) vs Maine (24) Expected DoS 0.40
Actual DoS 0.68
+16.6 824.7
10/12/08 Boston (90) vs Madison (88) Expected DoS 0.08
Actual DoS 0.01
-3.9 808.0
10/11/08 Boston (131) vs Cincinnati (76) Expected DoS 0.32
Actual DoS 0.27
-3.1 812.0
10/10/08 Boston (75) vs Carolina (77) Expected DoS 0.01
Actual DoS -0.01
-1.4 815.1
10/10/08 Boston (132) vs Grand Raggidy (30) Expected DoS 0.35
Actual DoS 0.63
+16.2 816.5
8/9/08 Boston (113) vs Dallas (46) Expected DoS 0.35
Actual DoS 0.42
+4.1 800.3
7/19/08 Boston (183) vs Ohio (5) Expected DoS 0.53
Actual DoS 0.95
+24.9 796.1
6/22/08 Boston (114) vs Houston (38) Expected DoS 0.39
Actual DoS 0.50
+6.3 771.3
6/21/08 Boston (93) vs Rocky Mtn. (111) Expected DoS -0.13
Actual DoS -0.09
+2.5 765.0
5/10/08 Boston (87) vs Cincinnati (42) Expected DoS 0.05
Actual DoS 0.35
+17.4 762.5
9/22/07 Boston (119) vs Dominion (69) Expected DoS n/a (debut)
Actual DoS 0.27
+0.0 745.1
8/17/07 Boston (99) vs Detroit (104) Expected DoS -0.13
Actual DoS -0.02
+6.0 745.1
6/2/07 Boston (102) vs Atlanta (96) Expected DoS 0.33
Actual DoS 0.03
-17.5 739.1
4/14/07 Boston (112) vs Charm City (110) Expected DoS 0.11
Actual DoS 0.01
-6.1 756.6
2/10/07 Boston (112) vs Philly (144) Expected DoS 0.14
Actual DoS -0.13
-15.6 762.7
7/1/06 Boston (107) vs Providence (120) Expected DoS 0.01
Actual DoS -0.06
-4.1 778.3
4/30/06 Boston (118) vs Providence (99) Expected DoS 0.16
Actual DoS 0.09
-4.5 782.3
12/17/05 Boston (89) vs Sin City (119) Expected DoS n/a (debut)
Actual DoS -0.14
786.9