Usmanov Rodion
From Moscow, Russia
EMA: 15990243
Common russian riichi rating (CRR)
Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).
277 place (209.51).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (894.74 * 1.50 * 0.57 + 473.68 * 2.25 * 1 + 0 + 0 + 0) / (1.50 * 0.57 + 2.25 * 1 + 1 + 1 + 1) = 300.0884216731346
p2 = (473.68 * 2.25 * 1 + 894.74 * 1.50 * 0.57) / max_coefficients = 118.92731992212849
score = 300.0884216731346 * 0.5 + 118.92731992212849 * 0.5 = 209.50787079763154
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-02 | 278 -> 277 | 209.51 | |
| 2026-11-01 | 274 -> 278 | 209.51 | |
| 2026-10-31 | 272 -> 274 | 209.51 | |
| 2026-10-24 | 270 -> 272 | 209.51 | |
| 2026-10-16 | 272 -> 270 | 209.51 | |
| 2026-10-15 | 271 -> 272 | 209.51 | |
| 2026-10-13 | 273 -> 271 | 209.51 | |
| 2026-10-10 | 271 -> 273 | 209.51 | |
| 2026-10-03 | 272 -> 271 | 209.51 | |
| 2026-10-02 | 274 -> 272 | 209.51 |