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 | +4.88 | 28 | 3 | .416 | 1 | +.487 | 1 | +2.78 | 1 | +4.98 | 7 | +4.82 | 7 | |
22 | Benton Central | 2 | +3.88 | 26 | 4 | .573 | 4 | +.295 | 2 | +2.22 | 2 | +3.88 | 22 | +3.88 | 21 | |
25 | Western Boone | 3 | +3.61 | 20 | 5 | .566 | 3 | +.233 | 3 | +2.05 | 3 | +3.65 | 26 | +3.59 | 27 | |
34 | Barr-Reeve | 4 | +3.38 | 25 | 6 | .614 | 6 | +.192 | 5 | +1.93 | 4 | +3.31 | 39 | +3.41 | 32 | |
37 | Southwood | 5 | +3.25 | 30 | 0 | .802 | 22 | +.199 | 4 | +1.91 | 5 | +3.20 | 41 | +3.27 | 37 | |
43 | Tecumseh | 6 | +3.11 | 24 | 7 | .643 | 8 | +.131 | 6 | +1.76 | 6 | +3.15 | 43 | +3.07 | 43 | |
49 | North Posey | 7 | +2.83 | 20 | 5 | .755 | 15 | +.045 | 10 | +1.54 | 9 | +2.75 | 53 | +2.86 | 47 | |
57 | Wapahani | 8 | +2.51 | 27 | 4 | .778 | 18 | +.095 | 8 | +1.55 | 7 | +2.64 | 56 | +2.45 | 59 | |
59 | Evansville Mater Dei | 9 | +2.50 | 18 | 8 | .596 | 5 | +.095 | 7 | +1.55 | 8 | +2.60 | 57 | +2.44 | 60 | |
63 | Indianapolis Scecina | 10 | +2.26 | 22 | 7 | .709 | 10 | +.050 | 9 | +1.41 | 10 | +2.33 | 63 | +2.21 | 64 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
69 | South Adams | 11 | +2.03 | 24 | 5 | .845 | 35 | -.015 | 13 | +1.25 | 12 | +2.02 | 70 | +2.02 | 69 | |
74 | Muncie Burris | 12 | +1.88 | 22 | 7 | .737 | 13 | +.024 | 11 | +1.28 | 11 | +1.86 | 76 | +1.89 | 75 | |
75 | Adams Central | 13 | +1.88 | 22 | 7 | .768 | 17 | -.010 | 12 | +1.22 | 13 | +1.84 | 77 | +1.90 | 74 | |
78 | Woodlan | 14 | +1.78 | 18 | 9 | .760 | 16 | -.092 | 18 | +1.06 | 15 | +1.79 | 79 | +1.77 | 77 | |
87 | Linton-Stockton | 15 | +1.61 | 21 | 10 | .736 | 12 | -.059 | 15 | +1.07 | 14 | +1.54 | 89 | +1.64 | 85 | |
98 | Eastern (Greentown) | 16 | +1.32 | 27 | 4 | .932 | 80 | -.061 | 16 | +1.00 | 17 | +1.33 | 98 | +1.31 | 100 | |
102 | Eastern (Pekin) | 17 | +1.30 | 22 | 4 | .881 | 55 | -.035 | 14 | +1.04 | 16 | +1.31 | 100 | +1.30 | 101 | |
107 | Oak Hill | 18 | +1.18 | 22 | 8 | .878 | 53 | -.143 | 22 | +0.83 | 19 | +1.08 | 114 | +1.23 | 103 | |
109 | Manchester | 19 | +1.14 | 24 | 6 | .893 | 64 | -.092 | 17 | +0.91 | 18 | +1.08 | 115 | +1.16 | 109 | |
125 | Lakeland | 20 | +0.91 | 17 | 9 | .832 | 27 | -.179 | 26 | +0.70 | 23 | +0.88 | 124 | +0.92 | 124 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
126 | Heritage Christian | 21 | +0.88 | 10 | 14 | .541 | 2 | -.126 | 19 | +0.79 | 20 | +0.86 | 125 | +0.91 | 125 | |
130 | Parke Heritage | 22 | +0.78 | 18 | 7 | .861 | 43 | -.140 | 21 | +0.74 | 22 | +0.76 | 131 | +0.80 | 129 | |
131 | Eastern Hancock | 23 | +0.74 | 22 | 6 | .920 | 76 | -.134 | 20 | +0.74 | 21 | +0.65 | 139 | +0.79 | 130 | |
133 | Greencastle | 24 | +0.72 | 18 | 8 | .847 | 37 | -.155 | 23 | +0.70 | 24 | +0.70 | 134 | +0.74 | 133 | |
139 | Forest Park | 25 | +0.62 | 17 | 9 | .819 | 24 | -.165 | 25 | +0.66 | 25 | +0.64 | 141 | +0.62 | 141 | |
140 | Sullivan | 26 | +0.62 | 19 | 9 | .873 | 50 | -.196 | 29 | +0.60 | 26 | +0.58 | 143 | +0.65 | 138 | |
141 | Wabash | 27 | +0.61 | 21 | 9 | .917 | 74 | -.217 | 31 | +0.57 | 28 | +0.66 | 138 | +0.59 | 143 | |
153 | Triton Central | 28 | +0.44 | 17 | 11 | .795 | 20 | -.189 | 28 | +0.57 | 27 | +0.48 | 148 | +0.42 | 157 | |
166 | Churubusco | 29 | +0.24 | 20 | 12 | .855 | 40 | -.227 | 34 | +0.46 | 31 | +0.21 | 174 | +0.25 | 165 | |
169 | Winchester | 30 | +0.23 | 21 | 9 | .887 | 61 | -.186 | 27 | +0.53 | 30 | +0.23 | 169 | +0.23 | 169 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
173 | Westview | 31 | +0.20 | 16 | 12 | .873 | 49 | -.299 | 38 | +0.33 | 36 | +0.17 | 176 | +0.22 | 170 | |
175 | Lapel | 32 | +0.18 | 22 | 10 | .846 | 36 | -.158 | 24 | +0.56 | 29 | +0.19 | 175 | +0.17 | 173 | |
177 | Perry Central | 33 | +0.16 | 19 | 11 | .870 | 47 | -.237 | 35 | +0.43 | 32 | +0.17 | 178 | +0.17 | 174 | |
180 | South Knox | 34 | +0.13 | 11 | 14 | .793 | 19 | -.352 | 46 | +0.22 | 40 | +0.06 | 183 | +0.17 | 175 | |
182 | Andrean | 35 | +0.10 | 10 | 18 | .694 | 9 | -.336 | 43 | +0.24 | 38 | -0.02 | 186 | +0.16 | 178 | |
184 | Rensselaer Central | 36 | +0.03 | 18 | 11 | .843 | 31 | -.223 | 33 | +0.42 | 34 | -0.06 | 188 | +0.07 | 183 | |
185 | Hagerstown | 37 | +0.01 | 19 | 8 | .924 | 78 | -.220 | 32 | +0.42 | 33 | -0.05 | 187 | +0.07 | 184 | |
186 | Southmont | 38 | +0.01 | 16 | 12 | .844 | 32 | -.272 | 36 | +0.33 | 35 | -0.06 | 189 | +0.04 | 185 | |
190 | Madison-Grant | 39 | -0.07 | 12 | 11 | .861 | 42 | -.339 | 44 | +0.20 | 43 | +0.02 | 184 | -0.12 | 190 | |
192 | Tell City | 40 | -0.16 | 13 | 12 | .882 | 57 | -.363 | 48 | +0.13 | 46 | -0.15 | 193 | -0.16 | 193 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
194 | Fort Wayne Blackhawk | 41 | -0.19 | 8 | 22 | .621 | 7 | -.353 | 47 | +0.14 | 45 | -0.20 | 196 | -0.19 | 195 | |
195 | South Ripley | 42 | -0.20 | 15 | 13 | .839 | 30 | -.306 | 40 | +0.22 | 39 | -0.26 | 200 | -0.17 | 194 | |
196 | Covenant Christian | 43 | -0.21 | 12 | 18 | .712 | 11 | -.313 | 41 | +0.21 | 41 | -0.15 | 194 | -0.25 | 197 | |
200 | Sheridan | 44 | -0.29 | 17 | 10 | .937 | 83 | -.306 | 39 | +0.20 | 42 | -0.31 | 203 | -0.29 | 199 | |
201 | Union County | 45 | -0.29 | 12 | 12 | .869 | 46 | -.369 | 50 | +0.09 | 47 | -0.29 | 201 | -0.29 | 200 | |
206 | Wheeler | 46 | -0.44 | 18 | 12 | .896 | 66 | -.295 | 37 | +0.18 | 44 | -0.45 | 206 | -0.43 | 206 | |
210 | Boone Grove | 47 | -0.53 | 13 | 15 | .881 | 56 | -.416 | 54 | -0.05 | 50 | -0.53 | 209 | -0.53 | 209 | |
212 | Whiting | 48 | -0.56 | 15 | 7 | .893 | 63 | -.209 | 30 | +0.30 | 37 | -0.49 | 208 | -0.61 | 214 | |
214 | Bluffton | 49 | -0.61 | 9 | 17 | .848 | 38 | -.502 | 66 | -0.21 | 56 | -0.67 | 218 | -0.59 | 212 | |
218 | Eastbrook | 50 | -0.66 | 14 | 12 | .914 | 72 | -.376 | 51 | -0.01 | 49 | -0.72 | 221 | -0.63 | 215 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
219 | Northeastern | 51 | -0.66 | 12 | 15 | .884 | 60 | -.440 | 61 | -0.12 | 52 | -0.69 | 220 | -0.65 | 216 | |
223 | Shenandoah | 52 | -0.82 | 17 | 10 | .946 | 86 | -.316 | 42 | +0.06 | 48 | -0.89 | 231 | -0.77 | 221 | |
229 | Prairie Heights | 53 | -0.87 | 7 | 18 | .868 | 44 | -.588 | 77 | -0.42 | 68 | -0.86 | 225 | -0.88 | 228 | |
231 | Rochester | 54 | -0.93 | 9 | 20 | .833 | 28 | -.521 | 68 | -0.32 | 62 | -0.88 | 228 | -0.97 | 232 | |
235 | Crawford County | 55 | -1.02 | 15 | 12 | .955 | 90 | -.400 | 52 | -0.14 | 53 | -0.89 | 230 | -1.07 | 241 | |
237 | Monrovia | 56 | -1.03 | 6 | 16 | .800 | 21 | -.528 | 70 | -0.36 | 64 | -0.93 | 233 | -1.09 | 242 | |
238 | Seeger | 57 | -1.03 | 10 | 19 | .844 | 34 | -.499 | 64 | -0.31 | 60 | -1.08 | 240 | -1.01 | 234 | |
239 | Centerville | 58 | -1.04 | 14 | 16 | .930 | 79 | -.462 | 62 | -0.25 | 58 | -1.04 | 238 | -1.04 | 237 | |
241 | South Vermillion | 59 | -1.06 | 5 | 10 | .920 | 75 | -.585 | 76 | -0.46 | 71 | -1.13 | 247 | -1.03 | 236 | |
242 | Southwestern (Hanover) | 60 | -1.07 | 18 | 11 | .972 | 97 | -.352 | 45 | -0.06 | 51 | -1.09 | 242 | -1.05 | 238 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
244 | University | 61 | -1.09 | 8 | 10 | .876 | 51 | -.432 | 57 | -0.21 | 55 | -1.06 | 239 | -1.10 | 244 | |
246 | Whitko | 62 | -1.15 | 9 | 16 | .924 | 77 | -.563 | 73 | -0.45 | 70 | -1.12 | 244 | -1.17 | 250 | |
250 | South Putnam | 63 | -1.18 | 11 | 14 | .868 | 45 | -.429 | 56 | -0.22 | 57 | -1.09 | 243 | -1.23 | 259 | |
251 | Frankton | 64 | -1.19 | 13 | 17 | .844 | 33 | -.411 | 53 | -0.19 | 54 | -1.19 | 250 | -1.18 | 253 | |
252 | Fort Wayne Luers | 65 | -1.19 | 7 | 24 | .748 | 14 | -.522 | 69 | -0.38 | 65 | -1.27 | 257 | -1.15 | 247 | |
253 | Tipton | 66 | -1.21 | 12 | 16 | .904 | 69 | -.475 | 63 | -0.31 | 61 | -1.17 | 248 | -1.22 | 256 | |
262 | Jimtown | 67 | -1.30 | 11 | 15 | .855 | 41 | -.432 | 58 | -0.26 | 59 | -1.31 | 260 | -1.29 | 261 | |
265 | Bremen | 68 | -1.37 | 12 | 16 | .937 | 84 | -.510 | 67 | -0.41 | 66 | -1.38 | 264 | -1.37 | 265 | |
270 | North Montgomery | 69 | -1.46 | 9 | 19 | .823 | 25 | -.501 | 65 | -0.41 | 67 | -1.45 | 271 | -1.47 | 270 | |
271 | Eastern Greene | 70 | -1.48 | 10 | 15 | .946 | 87 | -.546 | 71 | -0.49 | 72 | -1.54 | 274 | -1.45 | 269 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
272 | South Spencer | 71 | -1.50 | 7 | 16 | .880 | 54 | -.577 | 75 | -0.55 | 73 | -1.49 | 273 | -1.50 | 271 | |
274 | Pike Central | 72 | -1.53 | 6 | 18 | .883 | 58 | -.635 | 81 | -0.66 | 76 | -1.55 | 276 | -1.51 | 273 | |
278 | Austin | 73 | -1.60 | 12 | 15 | .884 | 59 | -.440 | 60 | -0.34 | 63 | -1.59 | 277 | -1.60 | 276 | |
279 | North Knox | 74 | -1.68 | 5 | 15 | .889 | 62 | -.639 | 84 | -0.70 | 77 | -1.73 | 281 | -1.65 | 279 | |
281 | Eastside | 75 | -1.70 | 3 | 18 | .825 | 26 | -.681 | 88 | -0.78 | 83 | -1.80 | 285 | -1.66 | 280 | |
285 | Indianapolis Ritter | 76 | -1.78 | 6 | 18 | .901 | 68 | -.653 | 86 | -0.75 | 79 | -1.74 | 283 | -1.81 | 285 | |
287 | North Putnam | 77 | -1.93 | 7 | 19 | .839 | 29 | -.569 | 74 | -0.64 | 75 | -1.95 | 287 | -1.92 | 287 | |
291 | Salem | 78 | -1.99 | 9 | 21 | .854 | 39 | -.555 | 72 | -0.63 | 74 | -1.91 | 286 | -2.03 | 295 | |
293 | Park Tudor | 79 | -2.00 | 11 | 10 | .957 | 92 | -.434 | 59 | -0.43 | 69 | -1.95 | 288 | -2.03 | 296 | |
295 | Blackford | 80 | -2.03 | 9 | 19 | .914 | 71 | -.592 | 79 | -0.71 | 78 | -2.10 | 296 | -1.99 | 293 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
298 | Alexandria | 81 | -2.11 | 6 | 18 | .872 | 48 | -.622 | 80 | -0.77 | 81 | -2.26 | 302 | -2.04 | 297 | |
299 | Lewis Cass | 82 | -2.14 | 4 | 19 | .900 | 67 | -.724 | 90 | -0.96 | 87 | -2.12 | 297 | -2.15 | 299 | |
302 | Central Noble | 83 | -2.28 | 5 | 20 | .894 | 65 | -.692 | 89 | -0.94 | 86 | -2.19 | 299 | -2.32 | 303 | |
304 | Hebron | 84 | -2.34 | 9 | 16 | .951 | 89 | -.591 | 78 | -0.78 | 82 | -2.35 | 306 | -2.34 | 305 | |
305 | West Vigo | 85 | -2.35 | 7 | 22 | .877 | 52 | -.636 | 83 | -0.86 | 84 | -2.46 | 312 | -2.30 | 302 | |
310 | Knox | 86 | -2.42 | 5 | 24 | .934 | 81 | -.761 | 94 | -1.09 | 90 | -2.39 | 307 | -2.43 | 311 | |
322 | Elwood | 87 | -2.74 | 9 | 22 | .935 | 82 | -.645 | 85 | -0.96 | 88 | -2.74 | 323 | -2.74 | 322 | |
328 | Mitchell | 88 | -2.86 | 1 | 22 | .804 | 23 | -.759 | 93 | -1.19 | 91 | -2.89 | 329 | -2.84 | 328 | |
335 | Brown County | 89 | -3.01 | 5 | 13 | .911 | 70 | -.635 | 82 | -1.01 | 89 | -3.13 | 338 | -2.96 | 333 | |
336 | LaVille | 90 | -3.05 | 6 | 20 | .968 | 95 | -.737 | 92 | -1.19 | 92 | -3.00 | 334 | -3.05 | 337 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
341 | Winamac | 91 | -3.29 | 6 | 23 | .979 | 99 | -.771 | 95 | -1.31 | 93 | -3.32 | 342 | -3.28 | 342 | |
344 | Paoli | 92 | -3.43 | 3 | 27 | .947 | 88 | -.847 | 100 | -1.47 | 94 | -3.41 | 343 | -3.43 | 346 | |
348 | Delphi | 93 | -3.55 | 3 | 26 | .943 | 85 | -.839 | 98 | -1.49 | 95 | -3.57 | 349 | -3.54 | 348 | |
359 | Taylor | 94 | -3.84 | 3 | 22 | .955 | 91 | -.834 | 97 | -1.55 | 97 | -3.81 | 357 | -3.86 | 360 | |
360 | Christel House | 95 | -3.88 | 12 | 7 | .996 | 100 | -.365 | 49 | -0.76 | 80 | -3.95 | 360 | -3.85 | 359 | |
361 | Irvington Prep | 96 | -3.93 | 12 | 9 | .999 | 102 | -.427 | 55 | -0.88 | 85 | -3.98 | 362 | -3.91 | 362 | |
367 | Switzerland County | 97 | -4.16 | 1 | 20 | .966 | 94 | -.920 | 101 | -1.77 | 100 | -4.18 | 369 | -4.15 | 367 | |
372 | Lake Station | 98 | -4.31 | 4 | 18 | .916 | 73 | -.734 | 91 | -1.49 | 96 | -4.42 | 373 | -4.25 | 371 | |
377 | South Bend Career | 99 | -4.64 | 2 | 15 | .962 | 93 | -.845 | 99 | -1.76 | 99 | -4.54 | 376 | -4.68 | 377 | |
380 | Clarksville | 100 | -5.04 | 1 | 22 | .974 | 98 | -.931 | 102 | -2.00 | 102 | -4.99 | 380 | -5.06 | 380 | |
RANK | TEAM | CLASS | RATING | WIN | LOSS | SoS | Rk | SoR | Rk | Z-SCR | Rk | INDY | Rk | CASTER | Rk | |
386 | Indianapolis Riverside | 101 | -5.64 | 2 | 9 | .997 | 101 | -.816 | 96 | -1.95 | 101 | -5.65 | 386 | -5.63 | 387 | |
387 | Gary 21st Century | 102 | -5.64 | 4 | 9 | .970 | 96 | -.661 | 87 | -1.68 | 98 | -5.67 | 387 | -5.61 | 386 |