Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
150 place (322.95).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (666.67 * 2.30 * 0.14 + 666.67 * 1.60 * 0.57 + 791.67 * 2.20 * 1 + 0 + 0) / (2.30 * 0.14 + 1.60 * 0.57 + 2.20 * 1 + 1 + 1) = 472.22349809201324
p2 = (791.67 * 2.20 * 1 + 666.67 * 1.60 * 0.57 + 666.67 * 2.30 * 0.14) / max_coefficients = 173.66689189189188
score = 472.22349809201324 * 0.5 + 173.66689189189188 * 0.5 = 322.9451949919526
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-05 | 141 -> 150 | 344.52 -> 322.95 |
Finding Dora: 29% -> 14% Akademgorodok: Riichi Mahjong Tournament 2024: 71% -> 57% |
| 2025-09-03 | 143 -> 141 | 344.52 | |
| 2025-09-01 | 143 | 341.90 -> 344.52 | |
| 2025-08-31 | 140 -> 143 | 341.90 | |
| 2025-08-26 | 141 -> 140 | 341.90 | |
| 2025-08-22 | 140 -> 141 | 341.90 | |
| 2025-08-04 | 141 -> 140 | 340.96 -> 341.90 | |
| 2025-08-03 | 139 -> 141 | 340.96 | |
| 2025-07-30 | 140 -> 139 | 340.96 | |
| 2025-07-19 | 141 -> 140 | 340.96 |