Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date May 11, 2025 (latest changes May 10, 2025).
129 place (357.15).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (666.67 * 2.30 * 0.43 + 666.67 * 1.60 * 0.86 + 791.67 * 2.20 * 1 + 0 + 0) / (2.30 * 0.43 + 1.60 * 0.86 + 2.20 * 1 + 1 + 1) = 505.2660153664555
p2 = (791.67 * 2.20 * 1 + 666.67 * 1.60 * 0.86 + 666.67 * 2.30 * 0.43) / max_coefficients = 209.02839116719244
score = 505.2660153664555 * 0.5 + 209.02839116719244 * 0.5 = 357.14720326682396
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-05-03 | 115 -> 121 | 375.18 | |
| 2025-04-27 | 113 -> 115 | 375.18 | |
| 2025-04-26 | 111 -> 113 | 375.18 | |
| 2025-04-13 | 189 -> 111 | 225.54 -> 375.18 |
Akademgorodok Riichi Mahjong Tournament 2025: 0% -> 100% |
| 2025-04-11 | 190 -> 189 | 225.54 | |
| 2025-03-29 | 188 -> 190 | 225.54 | |
| 2025-03-23 | 182 -> 188 | 225.54 | |
| 2025-03-10 | 183 -> 182 | 225.54 |