Gataullin Vitalii
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
235 place (171.31).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (733.33 * 1.20 * 1 + 315.79 * 1.90 * 1 + 0 + 0 + 0) / (1.20 * 1 + 1.90 * 1 + 1 + 1 + 1) = 242.62295081967216
p2 = (733.33 * 1.20 * 1 + 315.79 * 1.90 * 1) / max_coefficients = 100.0
score = 242.62295081967216 * 0.5 + 100.0 * 0.5 = 171.31147540983608
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-05 | 234 -> 235 | 171.31 | |
| 2025-09-03 | 242 -> 234 | 171.31 | |
| 2025-09-01 | 242 | 170.00 -> 171.31 | |
| 2025-08-31 | 238 -> 242 | 170.00 | |
| 2025-08-25 | 239 -> 238 | 170.00 | |
| 2025-08-22 | 240 -> 239 | 170.00 | |
| 2025-08-04 | 240 | 169.52 -> 170.00 | |
| 2025-08-03 | 234 -> 240 | 169.52 | |
| 2025-07-26 | 232 -> 234 | 169.52 | |
| 2025-07-19 | 233 -> 232 | 169.52 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 316 |
|
14/20 | 100% | 1.90 | CRR | Martenho's Spring tournament | Ufa | |
| 2 | 733 |
|
5/16 | 100% | 1.20 | CRR | Martenho's New Year's Eve tournament | Ufa |