Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date Dec. 7, 2025 (latest changes Dec. 4, 2025).
184 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 |
|---|---|---|---|
| 2025-12-04 | 185 -> 184 | 260.33 | |
| 2025-11-30 | 186 -> 185 | 260.33 | |
| 2025-11-25 | 187 -> 186 | 260.33 | |
| 2025-11-22 | 185 -> 187 | 260.33 | |
| 2025-11-15 | 186 -> 185 | 260.33 | |
| 2025-11-12 | 187 -> 186 | 260.33 | |
| 2025-11-10 | 188 -> 187 | 260.33 | |
| 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 |