Utin Ilya
From Saint Petersburg, Russia
EMA: 15990314
Common russian riichi rating (CRR)
Rating date Dec. 22, 2024 (latest changes Dec. 22, 2024).
110 place (360.51).
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 * 0.71 + 926.32 * 3.85 * 1 + 0 + 0 + 0) / (4 * 0.71 + 3.85 * 1 + 1 + 1 + 1) = 447.1629306082083
p2 = (926.32 * 3.85 * 1 + 271.03 * 4 * 0.71) / max_coefficients = 273.86119873817034
score = 447.1629306082083 * 0.5 + 273.86119873817034 * 0.5 = 360.51206467318934
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-18 | 112 -> 110 | 360.51 | |
| 2024-12-11 | 113 -> 112 | 360.51 | |
| 2024-12-01 | 112 -> 113 | 360.51 | |
| 2024-11-05 | 116 -> 112 | 360.51 | |
| 2024-11-03 | 119 -> 116 | 360.50 -> 360.51 |
SPB Riichi Open 2023: 86% -> 71% |
| 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 |