Utin Ilya
From Saint Petersburg, Russia
EMA: 15990314
Common russian riichi rating (CRR)
Rating date Oct. 26, 2024 (latest changes Oct. 26, 2024).
119 place (360.50).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (271.03 * 4 * 0.86 + 926.32 * 3.85 * 1 + 0 + 0 + 0) / (4 * 0.86 + 3.85 * 1 + 1 + 1 + 1) = 437.37449408468245
p2 = (926.32 * 3.85 * 1 + 271.03 * 4 * 0.86) / max_coefficients = 283.62839116719243
score = 437.37449408468245 * 0.5 + 283.62839116719243 * 0.5 = 360.50144262593744
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-25 | 120 -> 119 | 360.50 | |
| 2024-10-18 | 121 -> 120 | 360.50 | |
| 2024-10-13 | 112 -> 121 | 363.44 -> 360.50 | |
| 2024-10-11 | 113 -> 112 | 363.44 | |
| 2024-09-15 | 110 -> 113 | 363.44 | |
| 2024-09-03 | 111 -> 110 | 358.73 -> 363.44 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 173 -> 111 | 139.83 -> 358.73 |
SPB Riichi Open 2024: 0% -> 100% |
| 2023-11-26 | 166 -> 173 | 140.17 -> 139.83 | |
| 2023-11-09 | 167 -> 166 | 140.17 | |
| 2023-11-06 | 171 -> 167 | 138.20 -> 140.17 |