Revin Ivan
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date May 17, 2025 (latest changes May 17, 2025).
255 place (84.14).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (66.67 * 1.60 * 0.86 + 290.32 * 2.40 * 1 + 0 + 0 + 0) / (1.60 * 0.86 + 2.40 * 1 + 1 + 1 + 1) = 116.40054582831219
p2 = (290.32 * 2.40 * 1 + 66.67 * 1.60 * 0.86) / max_coefficients = 51.879657676799184
score = 116.40054582831219 * 0.5 + 51.879657676799184 * 0.5 = 84.1401017525557
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-17 | 252 -> 255 | 84.14 | |
| 2025-05-12 | 252 | 83.06 -> 84.14 | |
| 2025-05-05 | 253 -> 252 | 82.73 -> 83.06 |
Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86% |
| 2025-05-03 | 249 -> 253 | 82.73 | |
| 2025-05-01 | 251 -> 249 | 82.73 | |
| 2025-04-27 | 245 -> 251 | 82.73 | |
| 2025-04-26 | 242 -> 245 | 82.73 | |
| 2025-04-22 | 245 -> 242 | 82.73 | |
| 2025-04-13 | 245 | 82.73 |
Akademgorodok Riichi Mahjong Tournament 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 290 |
|
23/32 | 100% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 67 |
|
15/16 | 86% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |