Black Diamond Rollers

Ranking System WFTDA Global
Current: #1036 of 1641 · 326.4 Peak: 428.3 (Sep 2018)
Rating Over Time — GLOBAL
Ranking Detail
DateThis TeamOpponent Expected vs. Actual ChangeNew Rating
7/11/26 Black Diamond (103) vs Erie Roller Derby (224) Expected DoS 0.03
Actual DoS -0.37
-23.6 326.4
6/20/26 Black Diamond (147) vs Central Penn (181) Expected DoS -0.04
Actual DoS -0.10
-4.0 349.9
4/18/26 Black Diamond (179) vs Hill City (105) Expected DoS -0.02
Actual DoS 0.26
+16.8 353.9
6/8/25 Black Diamond (182) vs Bluestockings (125) Expected DoS 0.04
Actual DoS 0.19
+8.8 337.1
6/7/25 Black Diamond (160) vs Low Rolling Deuces (169) Expected DoS 0.18
Actual DoS -0.03
-12.6 328.3
6/6/25 Black Diamond (106) vs Hyperfixsk8ers (260) Expected DoS -0.24
Actual DoS -0.42
-10.5 341.0
4/25/25 Black Diamond (285) vs Parlor City (84) Expected DoS 0.26
Actual DoS 0.54
+16.7 351.5
10/26/24 Black Diamond (117) vs Erie Roller Derby (131) Expected DoS -0.01
Actual DoS -0.06
-2.5 334.8
9/21/24 Black Diamond (122) vs Hill City (172) Expected DoS 0.29
Actual DoS -0.17
-27.3 337.3
7/20/24 Black Diamond (216) vs Parlor City (55) Expected DoS 0.16
Actual DoS 0.59
+25.8 364.7
6/22/24 Black Diamond (178) vs Low Rolling Deuces (97) Expected DoS 0.11
Actual DoS 0.29
+10.9 338.8
4/20/24 Black Diamond (114) vs Enchanted Mountain (163) Expected DoS 0.00
Actual DoS -0.18
-10.5 327.9
4/6/24 Black Diamond (145) vs Bluestockings (122) Expected DoS 0.13
Actual DoS 0.09
-2.7 338.4
9/23/23 Black Diamond (155) vs Central Penn (97) Expected DoS -0.18
Actual DoS 0.23
+24.5 341.1
8/26/23 Black Diamond (110) vs Blast Furnace Betties (148) Expected DoS -0.24
Actual DoS -0.15
+5.2 316.6
7/29/23 Black Diamond (74) vs Ithaca (296) Expected DoS -0.41
Actual DoS -0.60
-11.1 311.3
6/24/23 Black Diamond (94) vs Metal Vixens (228) Expected DoS -0.31
Actual DoS -0.42
-6.6 322.4
5/20/23 Black Diamond (193) vs Enchanted Mountain (185) Expected DoS -0.37
Actual DoS 0.02
+23.2 329.0
6/11/22 Black Diamond (153) vs Foxettes (154) Expected DoS 0.27
Actual DoS 0.00
-16.0 305.8
9/29/19 Black Diamond (109) vs Harrisburg (129) Expected DoS 0.00
Actual DoS -0.08
-4.8 321.8
8/17/19 Black Diamond (86) vs Albany (208) Expected DoS -0.14
Actual DoS -0.41
-16.5 326.7
7/27/19 Black Diamond (114) vs Ithaca (195) Expected DoS -0.60
Actual DoS -0.26
+20.0 343.2
5/18/19 Black Diamond (40) vs Youngstown (168) Expected DoS -0.27
Actual DoS -0.62
-20.7 323.2
3/24/19 Black Diamond (68) vs Free State (301) Expected DoS -0.06
Actual DoS -0.63
-33.8 343.9
3/24/19 Black Diamond (72) vs Bux-Mont (377) Expected DoS -0.02
Actual DoS -0.68
-39.2 377.7
9/22/18 Black Diamond (252) vs Shore Points (138) Expected DoS 0.49
Actual DoS 0.29
-11.5 416.8
9/8/18 Black Diamond (314) vs Harrisburg (77) Expected DoS 0.47
Actual DoS 0.61
+8.3 428.3
8/11/18 Black Diamond (212) vs Bux-Mont (109) Expected DoS 0.02
Actual DoS 0.32
+18.1 420.0
7/21/18 Black Diamond (187) vs Bluestockings (170) Expected DoS 0.35
Actual DoS 0.05
-17.8 402.0
7/14/18 Black Diamond (275) vs Steel Beamers (139) Expected DoS 0.43
Actual DoS 0.33
-6.1 419.8
6/9/18 Black Diamond (364) vs Bluestockings (83) Expected DoS 0.10
Actual DoS 0.63
+31.5 425.9
5/19/18 Black Diamond (241) vs Albany (164) Expected DoS 0.26
Actual DoS 0.19
-4.0 394.4
10/29/17 Black Diamond (132) vs State College (207) Expected DoS -0.06
Actual DoS -0.22
-9.7 398.4
8/19/17 Black Diamond (126) vs Bux-Mont (122) Expected DoS 0.22
Actual DoS 0.02
-12.0 408.1
7/15/17 Black Diamond (512) vs Ladies D&D Society (40) Expected DoS 0.36
Actual DoS 0.86
+29.4 420.1
7/8/17 Black Diamond (167) vs Bluestockings (162) Expected DoS 0.15
Actual DoS 0.02
-8.3 390.6
6/17/17 Black Diamond (203) vs Bluestockings (152) Expected DoS -0.01
Actual DoS 0.14
+9.1 398.9
6/4/17 Black Diamond (334) vs Salt City (88) Expected DoS 0.20
Actual DoS 0.58
+22.7 389.8
5/7/17 Black Diamond (258) vs Harrisburg (120) Expected DoS 0.32
Actual DoS 0.37
+2.7 367.1
11/5/16 Black Diamond (189) vs Bux-Mont (243) Expected DoS 0.03
Actual DoS -0.13
-9.4 364.4
9/10/16 Black Diamond (175) vs Metal Vixens (203) Expected DoS -0.08
Actual DoS -0.07
+0.3 373.8
8/13/16 Black Diamond (245) vs Parlor City (116) Expected DoS 0.38
Actual DoS 0.36
-1.5 373.6
7/30/16 Black Diamond (143) vs Bluestockings (257) Expected DoS 0.41
Actual DoS -0.29
-41.3 375.1
6/25/16 Black Diamond (201) vs Blast Furnace Betties (202) Expected DoS -0.18
Actual DoS 0.00
+10.6 416.5
5/7/16 Black Diamond (333) vs Port City (105) Expected DoS 0.07
Actual DoS 0.52
+27.0 405.9
4/2/16 Black Diamond (182) vs State College (167) Expected DoS 0.29
Actual DoS 0.04
-14.5 378.9
9/19/15 Black Diamond (210) vs Metal Vixens (211) Expected DoS -0.31
Actual DoS 0.00
+16.2 393.3
8/9/15 Black Diamond (208) vs Roller Radicals (166) Expected DoS -0.02
Actual DoS 0.11
+7.0 377.2
8/2/15 Black Diamond (249) vs Riveters (189) Expected DoS 0.23
Actual DoS 0.14
-5.0 370.2
7/11/15 Black Diamond (212) vs Bluestockings (107) Expected DoS -0.11
Actual DoS 0.33
+22.7 375.2
5/30/15 Black Diamond (236) vs Parlor City (151) Expected DoS 0.27
Actual DoS 0.22
-2.6 352.5
5/9/15 Black Diamond (196) vs Ladies D&D Society (86) Expected DoS n/a (debut)
Actual DoS 0.39
+0.0 355.1
4/25/15 Black Diamond (133) vs Roller Radicals (216) Expected DoS -0.12
Actual DoS -0.24
-6.0 355.1
8/30/14 Black Diamond (369) vs Riveters (122) Expected DoS 0.33
Actual DoS 0.50
+8.8 361.1
8/2/14 Black Diamond (342) vs Parlor City (113) Expected DoS 0.40
Actual DoS 0.50
+5.2 352.3
7/19/14 Black Diamond (160) vs Bluestockings (194) Expected DoS -0.24
Actual DoS -0.10
+7.5 347.1
7/12/14 Black Diamond (123) vs Enchanted Mountain (262) Expected DoS -0.15
Actual DoS -0.36
-11.2 339.6
6/7/14 Black Diamond (144) vs Enchanted Mountain (150) Expected DoS -0.04
Actual DoS -0.02
+1.1 350.8
5/31/14 Black Diamond (190) vs Central Penn (85) Expected DoS 0.01
Actual DoS 0.38
+19.3 349.7
5/17/14 Black Diamond (289) vs Parlor City (97) Expected DoS -0.13
Actual DoS 0.50
+32.7 330.4
4/12/14 Black Diamond (185) vs Finger Lakes (114) Expected DoS -0.49
Actual DoS 0.24
+37.9 297.7
10/13/13 Black Diamond (88) vs Hellrazors (205) Expected DoS -0.55
Actual DoS -0.40
+7.9 259.8
9/14/13 Black Diamond (72) vs Enchanted Mountain (151) Expected DoS -0.66
Actual DoS -0.35
+16.0 251.9
7/13/13 Black Diamond (148) vs Central Penn (229) Expected DoS -0.67
Actual DoS -0.21
+24.0 235.9
4/13/13 Black Diamond (109) vs Central Penn (278) Expected DoS -0.47
Actual DoS -0.44
+2.0 211.9
3/2/13 Black Diamond (149) vs Atlantic Coast (116) Expected DoS n/a (debut)
Actual DoS 0.12
+0.0 210.0
7/21/12 Black Diamond (1) vs Crown City (383) Expected DoS n/a (debut)
Actual DoS -0.99
210.0