Bikbulatov Ruslan
From Chelyabinsk, Russia
Common russian riichi rating (CRR)
Rating date June 15, 2025 (latest changes June 15, 2025).
156 place (303.74).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (421.05 * 2.10 * 0.29 + 629.63 * 2.30 * 0.43 + 568.42 * 3.85 * 1 + 0 + 0) / (2.10 * 0.29 + 2.30 * 0.43 + 3.85 * 1 + 1 + 1) = 411.756715865918
p2 = (568.42 * 3.85 * 1 + 629.63 * 2.30 * 0.43 + 421.05 * 2.10 * 0.29) / max_coefficients = 195.728859413936
score = 411.756715865918 * 0.5 + 195.728859413936 * 0.5 = 303.742787639927
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 153 -> 156 | 306.64 -> 303.74 | |
| 2025-06-14 | 152 -> 153 | 306.64 | |
| 2025-06-11 | 153 -> 152 | 306.64 | |
| 2025-06-09 | 154 -> 153 | 306.64 | |
| 2025-05-30 | 155 -> 154 | 306.64 | |
| 2025-05-17 | 152 -> 155 | 306.64 | |
| 2025-05-12 | 150 -> 152 | 302.46 -> 306.64 | |
| 2025-05-05 | 148 -> 150 | 313.59 -> 302.46 |
Finding Dora: 57% -> 43% |
| 2025-05-03 | 144 -> 148 | 313.59 | |
| 2025-05-01 | 145 -> 144 | 313.59 |