Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
188 place (260.33).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (666.67 * 1.60 * 0.43 + 791.67 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.43 + 2.20 * 1 + 1 + 1 + 1) = 373.58641874626215
p2 = (791.67 * 2.20 * 1 + 666.67 * 1.60 * 0.43) / max_coefficients = 147.0795986622074
score = 373.58641874626215 * 0.5 + 147.0795986622074 * 0.5 = 260.33300870423477
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-05 | 180 -> 188 | 270.90 -> 260.33 |
Finding Dora: 14% -> 0% Akademgorodok: Riichi Mahjong Tournament 2024: 57% -> 43% |
| 2025-11-04 | 145 -> 180 | 325.98 -> 270.90 | |
| 2025-11-01 | 146 -> 145 | 325.67 -> 325.98 | |
| 2025-10-13 | 147 -> 146 | 322.95 -> 325.67 | |
| 2025-10-04 | 148 -> 147 | 322.95 | |
| 2025-09-15 | 149 -> 148 | 322.95 | |
| 2025-09-10 | 150 -> 149 | 322.95 | |
| 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 |