Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date July 9, 2025 (latest changes July 5, 2025).
138 place (339.17).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (666.67 * 2.30 * 0.29 + 666.67 * 1.60 * 0.71 + 791.67 * 2.20 * 1 + 0 + 0) / (2.30 * 0.29 + 1.60 * 0.71 + 2.20 * 1 + 1 + 1) = 490.2774837958063
p2 = (791.67 * 2.20 * 1 + 666.67 * 1.60 * 0.71 + 666.67 * 2.30 * 0.29) / max_coefficients = 188.0536941926757
score = 490.2774837958063 * 0.5 + 188.0536941926757 * 0.5 = 339.165588994241
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-05 | 133 -> 138 | 358.53 -> 339.17 |
Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71% Finding Dora: 43% -> 29% |
| 2025-06-15 | 126 -> 133 | 361.67 -> 358.53 | |
| 2025-06-14 | 124 -> 126 | 361.67 | |
| 2025-06-11 | 127 -> 124 | 361.67 | |
| 2025-06-08 | 126 -> 127 | 361.67 | |
| 2025-05-30 | 128 -> 126 | 361.67 | |
| 2025-05-17 | 126 -> 128 | 361.67 | |
| 2025-05-12 | 129 -> 126 | 357.15 -> 361.67 | |
| 2025-05-10 | 130 -> 129 | 357.15 | |
| 2025-05-05 | 121 -> 130 | 375.18 -> 357.15 |
Finding Dora: 57% -> 43% Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86% |