The TWISTR Ratings are an iterative least-squares, score-based ratings system built in the spirit of an Elo model. Team ratings are agnostic to the final result of a game, as only the scoring margins are important when rating teams. No additional benefit is provided for a win or penalty for a loss. The TWISTR ratings for VOLLEYBALL incorporate two key concepts:
The RATING represents the number of sets a team would be favored by against an average opponent. Teams with a positive RATING are considered better than average, while teams with a negative RATING are considered worse than average. The RATING can be thought of as a composite of the INDEPENDENT (INDY) rating, in which the time a game was played does not matter, and the FORECASTER (CASTER) rating, where recent results are weighted more heavily.
Both the STRENGTH OF RECORD (SoR) and Z-SCORE (Z-SCR) are resume ratings - SoR only considers a team's win-loss record and is independent of margin of victory, while Z-SCR is a blend of RATING and SoR.
TWISTR IHSAA TEAM RATINGS | SCHEDULE & RESUME | COMPONENT RATINGS | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
7 | Brownstown Central | 1 | +4.81 | 30 | 3 | .462 | 1 | +.446 | 1 | +2.67 | 1 | +4.92 | 7 | +4.74 | 7 | |
23 | Western Boone | 2 | +3.76 | 22 | 5 | .574 | 3 | +.240 | 3 | +2.09 | 3 | +3.77 | 22 | +3.75 | 23 | |
24 | Benton Central | 3 | +3.69 | 27 | 5 | .585 | 4 | +.260 | 2 | +2.10 | 2 | +3.72 | 25 | +3.67 | 24 | |
36 | Barr-Reeve | 4 | +3.35 | 28 | 6 | .658 | 7 | +.167 | 5 | +1.87 | 5 | +3.29 | 39 | +3.37 | 34 | |
38 | Southwood | 5 | +3.29 | 32 | 0 | .815 | 22 | +.187 | 4 | +1.89 | 4 | +3.23 | 41 | +3.31 | 37 | |
42 | Tecumseh | 6 | +3.18 | 27 | 7 | .669 | 8 | +.125 | 6 | +1.76 | 6 | +3.20 | 42 | +3.17 | 42 | |
55 | North Posey | 7 | +2.53 | 21 | 6 | .771 | 16 | +.006 | 11 | +1.41 | 10 | +2.52 | 56 | +2.52 | 53 | |
57 | Evansville Mater Dei | 8 | +2.43 | 20 | 9 | .597 | 5 | +.092 | 7 | +1.53 | 7 | +2.54 | 55 | +2.37 | 59 | |
61 | Wapahani | 9 | +2.38 | 28 | 5 | .787 | 18 | +.063 | 8 | +1.47 | 8 | +2.52 | 57 | +2.31 | 61 | |
63 | Indianapolis Scecina | 10 | +2.25 | 25 | 7 | .737 | 10 | +.044 | 9 | +1.41 | 9 | +2.33 | 63 | +2.20 | 64 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
65 | South Adams | 11 | +2.11 | 26 | 6 | .846 | 29 | -.032 | 12 | +1.25 | 12 | +2.09 | 67 | +2.12 | 65 | |
71 | Muncie Burris | 12 | +2.00 | 25 | 7 | .753 | 13 | +.031 | 10 | +1.33 | 11 | +1.96 | 73 | +2.01 | 70 | |
75 | Woodlan | 13 | +1.89 | 20 | 9 | .774 | 17 | -.083 | 16 | +1.11 | 14 | +1.87 | 76 | +1.89 | 75 | |
82 | Adams Central | 14 | +1.75 | 22 | 8 | .771 | 15 | -.037 | 13 | +1.16 | 13 | +1.75 | 82 | +1.76 | 80 | |
85 | Linton-Stockton | 15 | +1.65 | 23 | 11 | .741 | 11 | -.064 | 15 | +1.09 | 15 | +1.59 | 87 | +1.68 | 84 | |
99 | Eastern (Pekin) | 16 | +1.30 | 24 | 4 | .898 | 59 | -.041 | 14 | +1.05 | 16 | +1.32 | 100 | +1.29 | 100 | |
104 | Eastern (Greentown) | 17 | +1.24 | 27 | 5 | .935 | 80 | -.091 | 17 | +0.95 | 17 | +1.27 | 101 | +1.23 | 104 | |
106 | Oak Hill | 18 | +1.21 | 24 | 9 | .868 | 43 | -.140 | 21 | +0.86 | 19 | +1.11 | 109 | +1.26 | 102 | |
111 | Manchester | 19 | +1.11 | 25 | 7 | .894 | 57 | -.112 | 18 | +0.89 | 18 | +1.06 | 113 | +1.13 | 111 | |
114 | Heritage Christian | 20 | +1.06 | 12 | 15 | .568 | 2 | -.124 | 19 | +0.86 | 20 | +1.01 | 117 | +1.09 | 112 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
116 | Lakeland | 21 | +1.02 | 20 | 10 | .846 | 30 | -.179 | 26 | +0.75 | 22 | +0.98 | 121 | +1.04 | 116 | |
117 | Parke Heritage | 22 | +1.00 | 21 | 7 | .878 | 48 | -.126 | 20 | +0.84 | 21 | +0.94 | 124 | +1.03 | 118 | |
136 | Wabash | 23 | +0.62 | 22 | 10 | .901 | 63 | -.213 | 29 | +0.60 | 27 | +0.68 | 134 | +0.60 | 138 | |
137 | Eastern Hancock | 24 | +0.59 | 23 | 7 | .928 | 78 | -.161 | 23 | +0.68 | 23 | +0.54 | 139 | +0.61 | 136 | |
138 | Sullivan | 25 | +0.57 | 21 | 10 | .881 | 52 | -.204 | 27 | +0.61 | 26 | +0.52 | 142 | +0.58 | 139 | |
142 | Forest Park | 26 | +0.53 | 17 | 10 | .808 | 21 | -.179 | 24 | +0.64 | 24 | +0.57 | 138 | +0.50 | 145 | |
146 | Greencastle | 27 | +0.48 | 18 | 10 | .851 | 31 | -.209 | 28 | +0.58 | 29 | +0.52 | 141 | +0.47 | 150 | |
151 | Triton Central | 28 | +0.45 | 17 | 12 | .807 | 20 | -.221 | 30 | +0.55 | 30 | +0.48 | 146 | +0.43 | 154 | |
162 | Winchester | 29 | +0.32 | 23 | 9 | .898 | 61 | -.179 | 25 | +0.59 | 28 | +0.31 | 164 | +0.33 | 161 | |
163 | Lapel | 30 | +0.31 | 25 | 10 | .868 | 42 | -.153 | 22 | +0.63 | 25 | +0.28 | 167 | +0.31 | 163 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
167 | Westview | 31 | +0.27 | 17 | 13 | .881 | 51 | -.312 | 39 | +0.36 | 35 | +0.22 | 170 | +0.29 | 165 | |
172 | Churubusco | 32 | +0.17 | 21 | 13 | .870 | 44 | -.250 | 34 | +0.44 | 32 | +0.15 | 174 | +0.18 | 172 | |
179 | Perry Central | 33 | +0.13 | 20 | 12 | .863 | 37 | -.238 | 32 | +0.45 | 31 | +0.15 | 176 | +0.12 | 177 | |
181 | Southmont | 34 | +0.03 | 18 | 13 | .863 | 36 | -.282 | 36 | +0.35 | 36 | -0.05 | 189 | +0.07 | 179 | |
183 | Hagerstown | 35 | +0.01 | 20 | 9 | .934 | 79 | -.244 | 33 | +0.41 | 33 | -0.04 | 186 | +0.03 | 183 | |
184 | Andrean | 36 | -0.00 | 10 | 19 | .719 | 9 | -.373 | 49 | +0.19 | 43 | -0.10 | 190 | +0.04 | 181 | |
185 | South Knox | 37 | -0.02 | 12 | 15 | .805 | 19 | -.360 | 44 | +0.21 | 42 | -0.05 | 188 | -0.01 | 185 | |
187 | Covenant Christian | 38 | -0.04 | 15 | 18 | .742 | 12 | -.288 | 37 | +0.33 | 37 | -0.03 | 185 | -0.05 | 186 | |
188 | Madison-Grant | 39 | -0.05 | 14 | 12 | .867 | 41 | -.329 | 42 | +0.26 | 40 | +0.03 | 182 | -0.10 | 188 | |
190 | Rensselaer Central | 40 | -0.15 | 19 | 12 | .865 | 38 | -.252 | 35 | +0.36 | 34 | -0.19 | 194 | -0.13 | 189 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
193 | South Ripley | 41 | -0.17 | 16 | 14 | .828 | 26 | -.296 | 38 | +0.28 | 38 | -0.23 | 198 | -0.13 | 191 | |
196 | Boone Grove | 42 | -0.22 | 16 | 15 | .902 | 66 | -.385 | 50 | +0.12 | 47 | -0.29 | 200 | -0.19 | 193 | |
197 | Fort Wayne Blackhawk | 43 | -0.23 | 9 | 23 | .646 | 6 | -.364 | 46 | +0.16 | 45 | -0.22 | 196 | -0.24 | 198 | |
199 | Tell City | 44 | -0.25 | 14 | 13 | .882 | 53 | -.364 | 45 | +0.15 | 46 | -0.20 | 195 | -0.27 | 199 | |
202 | Sheridan | 45 | -0.34 | 19 | 11 | .947 | 84 | -.312 | 40 | +0.22 | 41 | -0.34 | 202 | -0.34 | 202 | |
206 | Union County | 46 | -0.42 | 14 | 14 | .894 | 56 | -.394 | 52 | +0.06 | 48 | -0.41 | 205 | -0.43 | 207 | |
209 | Wheeler | 47 | -0.55 | 19 | 13 | .909 | 69 | -.315 | 41 | +0.17 | 44 | -0.54 | 211 | -0.55 | 209 | |
214 | Bluffton | 48 | -0.67 | 9 | 18 | .865 | 39 | -.531 | 68 | -0.23 | 59 | -0.71 | 216 | -0.67 | 213 | |
217 | Eastbrook | 49 | -0.72 | 14 | 14 | .913 | 70 | -.413 | 55 | -0.04 | 50 | -0.75 | 221 | -0.70 | 215 | |
220 | Prairie Heights | 50 | -0.74 | 8 | 19 | .878 | 50 | -.582 | 75 | -0.33 | 65 | -0.77 | 223 | -0.73 | 219 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
221 | Northeastern | 51 | -0.74 | 13 | 16 | .906 | 67 | -.458 | 58 | -0.12 | 55 | -0.75 | 220 | -0.74 | 220 | |
223 | Whiting | 52 | -0.78 | 18 | 8 | .917 | 73 | -.223 | 31 | +0.27 | 39 | -0.66 | 214 | -0.85 | 225 | |
226 | Seeger | 53 | -0.84 | 11 | 20 | .836 | 28 | -.481 | 65 | -0.18 | 56 | -0.96 | 233 | -0.78 | 223 | |
232 | Shenandoah | 54 | -0.93 | 17 | 11 | .955 | 87 | -.348 | 43 | +0.02 | 49 | -0.98 | 235 | -0.90 | 231 | |
233 | Whitko | 55 | -0.98 | 13 | 17 | .924 | 76 | -.491 | 66 | -0.23 | 60 | -1.00 | 237 | -0.97 | 234 | |
234 | South Vermillion | 56 | -0.99 | 5 | 11 | .924 | 75 | -.610 | 78 | -0.43 | 72 | -1.08 | 242 | -0.95 | 233 | |
236 | Centerville | 57 | -1.01 | 15 | 17 | .937 | 81 | -.467 | 62 | -0.20 | 57 | -1.01 | 238 | -1.01 | 237 | |
237 | Crawford County | 58 | -1.02 | 16 | 13 | .956 | 89 | -.404 | 54 | -0.09 | 52 | -0.89 | 229 | -1.07 | 241 | |
239 | Monrovia | 59 | -1.05 | 6 | 17 | .817 | 23 | -.557 | 72 | -0.36 | 66 | -0.95 | 231 | -1.11 | 244 | |
241 | Rochester | 60 | -1.06 | 9 | 22 | .855 | 34 | -.563 | 73 | -0.37 | 68 | -0.97 | 234 | -1.09 | 242 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
243 | Southwestern (Hanover) | 61 | -1.08 | 19 | 12 | .980 | 98 | -.367 | 47 | -0.04 | 51 | -1.09 | 243 | -1.06 | 239 | |
245 | University | 62 | -1.12 | 11 | 11 | .893 | 55 | -.393 | 51 | -0.10 | 53 | -1.09 | 244 | -1.13 | 249 | |
246 | South Putnam | 63 | -1.13 | 10 | 15 | .876 | 46 | -.477 | 63 | -0.24 | 61 | -1.02 | 239 | -1.17 | 252 | |
249 | Jimtown | 64 | -1.14 | 14 | 15 | .878 | 49 | -.395 | 53 | -0.10 | 54 | -1.22 | 254 | -1.11 | 245 | |
251 | Fort Wayne Luers | 65 | -1.17 | 7 | 25 | .768 | 14 | -.549 | 70 | -0.37 | 69 | -1.25 | 258 | -1.13 | 248 | |
256 | Bremen | 66 | -1.22 | 14 | 16 | .945 | 83 | -.480 | 64 | -0.27 | 63 | -1.25 | 259 | -1.20 | 254 | |
258 | Frankton | 67 | -1.27 | 13 | 18 | .853 | 33 | -.433 | 56 | -0.20 | 58 | -1.24 | 257 | -1.30 | 261 | |
259 | North Montgomery | 68 | -1.27 | 11 | 20 | .817 | 24 | -.462 | 60 | -0.25 | 62 | -1.29 | 260 | -1.26 | 256 | |
261 | Tipton | 69 | -1.29 | 12 | 17 | .913 | 71 | -.499 | 67 | -0.31 | 64 | -1.24 | 256 | -1.31 | 262 | |
268 | Eastern Greene | 70 | -1.49 | 10 | 16 | .922 | 74 | -.537 | 69 | -0.42 | 70 | -1.53 | 271 | -1.48 | 267 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
275 | Indianapolis Ritter | 71 | -1.68 | 7 | 19 | .913 | 72 | -.645 | 82 | -0.65 | 76 | -1.66 | 275 | -1.69 | 276 | |
276 | North Knox | 72 | -1.69 | 5 | 16 | .902 | 65 | -.664 | 85 | -0.68 | 79 | -1.73 | 279 | -1.68 | 274 | |
277 | Pike Central | 73 | -1.71 | 6 | 20 | .898 | 60 | -.668 | 86 | -0.69 | 80 | -1.67 | 276 | -1.76 | 281 | |
281 | Austin | 74 | -1.76 | 12 | 16 | .895 | 58 | -.467 | 61 | -0.37 | 67 | -1.70 | 278 | -1.78 | 282 | |
282 | Eastside | 75 | -1.79 | 3 | 19 | .836 | 27 | -.698 | 87 | -0.76 | 82 | -1.87 | 285 | -1.75 | 278 | |
285 | South Spencer | 76 | -1.85 | 7 | 21 | .876 | 45 | -.626 | 79 | -0.66 | 77 | -1.78 | 282 | -1.88 | 286 | |
288 | North Putnam | 77 | -1.90 | 7 | 20 | .851 | 32 | -.591 | 76 | -0.61 | 74 | -1.92 | 289 | -1.88 | 287 | |
292 | Salem | 78 | -1.99 | 10 | 22 | .867 | 40 | -.555 | 71 | -0.57 | 73 | -1.90 | 288 | -2.03 | 296 | |
294 | Blackford | 79 | -2.02 | 9 | 20 | .908 | 68 | -.598 | 77 | -0.65 | 75 | -2.09 | 296 | -1.98 | 292 | |
297 | Park Tudor | 80 | -2.07 | 11 | 11 | .961 | 90 | -.462 | 59 | -0.43 | 71 | -2.01 | 293 | -2.11 | 297 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
298 | Lewis Cass | 81 | -2.15 | 4 | 20 | .902 | 64 | -.733 | 91 | -0.90 | 88 | -2.13 | 297 | -2.15 | 299 | |
300 | Alexandria | 82 | -2.19 | 6 | 20 | .885 | 54 | -.655 | 83 | -0.78 | 83 | -2.29 | 303 | -2.14 | 298 | |
302 | Central Noble | 83 | -2.21 | 5 | 21 | .901 | 62 | -.707 | 88 | -0.88 | 87 | -2.15 | 298 | -2.24 | 305 | |
305 | West Vigo | 84 | -2.27 | 7 | 23 | .860 | 35 | -.627 | 80 | -0.75 | 81 | -2.41 | 308 | -2.21 | 303 | |
310 | Hebron | 85 | -2.46 | 9 | 18 | .961 | 91 | -.629 | 81 | -0.80 | 85 | -2.43 | 311 | -2.48 | 310 | |
314 | Knox | 86 | -2.53 | 5 | 25 | .949 | 85 | -.782 | 94 | -1.07 | 90 | -2.49 | 313 | -2.54 | 313 | |
323 | Elwood | 87 | -2.74 | 9 | 23 | .944 | 82 | -.663 | 84 | -0.92 | 89 | -2.74 | 323 | -2.74 | 324 | |
325 | Brown County | 88 | -2.77 | 6 | 14 | .876 | 47 | -.577 | 74 | -0.78 | 84 | -2.96 | 330 | -2.69 | 323 | |
329 | Mitchell | 89 | -2.89 | 2 | 23 | .822 | 25 | -.741 | 92 | -1.09 | 91 | -2.89 | 327 | -2.89 | 330 | |
342 | LaVille | 90 | -3.28 | 5 | 21 | .973 | 95 | -.781 | 93 | -1.25 | 92 | -3.20 | 339 | -3.33 | 342 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
343 | Winamac | 91 | -3.34 | 6 | 24 | .984 | 100 | -.784 | 95 | -1.26 | 93 | -3.37 | 342 | -3.33 | 343 | |
348 | Paoli | 92 | -3.50 | 3 | 29 | .955 | 88 | -.861 | 99 | -1.43 | 95 | -3.46 | 347 | -3.52 | 348 | |
352 | Delphi | 93 | -3.66 | 3 | 28 | .953 | 86 | -.855 | 98 | -1.46 | 96 | -3.67 | 354 | -3.65 | 352 | |
359 | Christel House | 94 | -3.81 | 12 | 8 | .969 | 94 | -.369 | 48 | -0.67 | 78 | -3.91 | 360 | -3.72 | 355 | |
360 | Taylor | 95 | -3.83 | 3 | 23 | .962 | 92 | -.846 | 97 | -1.48 | 97 | -3.80 | 358 | -3.84 | 360 | |
361 | Irvington Prep | 96 | -3.84 | 12 | 10 | .995 | 101 | -.450 | 57 | -0.82 | 86 | -3.93 | 361 | -3.77 | 359 | |
371 | Lake Station | 97 | -4.27 | 5 | 19 | .925 | 77 | -.717 | 90 | -1.36 | 94 | -4.40 | 373 | -4.20 | 370 | |
374 | Switzerland County | 98 | -4.36 | 1 | 23 | .974 | 96 | -.934 | 101 | -1.75 | 100 | -4.32 | 372 | -4.36 | 374 | |
376 | South Bend Career | 99 | -4.53 | 2 | 17 | .967 | 93 | -.862 | 100 | -1.67 | 99 | -4.48 | 376 | -4.55 | 376 | |
383 | Clarksville | 100 | -5.14 | 1 | 26 | .982 | 99 | -.945 | 102 | -1.95 | 102 | -5.06 | 381 | -5.18 | 383 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
386 | Gary 21st Century | 101 | -5.51 | 4 | 11 | .980 | 97 | -.712 | 89 | -1.64 | 98 | -5.58 | 386 | -5.46 | 386 | |
387 | Indianapolis Riverside | 102 | -5.57 | 2 | 10 | .998 | 102 | -.831 | 96 | -1.85 | 101 | -5.62 | 387 | -5.50 | 387 | |
397 | Gary Lighthouse | 103 | -7.37 | 0 | 3 | .999 | 103 | -1.000 | 103 | -2.55 | 103 | -7.51 | 397 | -7.30 | 397 |