Revin Ivan
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
193 place (287.81).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (290.32 * 2.40 * 0.86 + 914.29 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.86 + 2.50 * 1 + 1 + 1 + 1) = 381.4879900066693
p2 = (914.29 * 2.50 * 1 + 290.32 * 2.40 * 0.86) / max_coefficients = 194.13602693602695
score = 381.4879900066693 * 0.5 + 194.13602693602695 * 0.5 = 287.8120084713481
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 195 -> 193 | 287.81 | |
| 2026-05-12 | 202 -> 195 | 287.81 | |
| 2026-05-11 | 199 -> 202 | 287.81 | |
| 2026-05-05 | 179 -> 199 | 311.13 -> 287.81 |
Akademgorodok: Riichi Mahjong Tournament 2024: 14% -> 0% |
| 2026-05-03 | 178 -> 179 | 310.48 -> 311.13 | |
| 2026-05-02 | 179 -> 178 | 310.48 | |
| 2026-05-01 | 181 -> 179 | 310.48 | |
| 2026-04-27 | 179 -> 181 | 310.48 | |
| 2026-04-19 | 307 -> 179 | 78.42 -> 310.48 |
Akademgorodok Riichi Mahjong Tournament 2026: 0% -> 100% |
| 2026-04-13 | 303 -> 307 | 87.06 -> 78.42 |
Akademgorodok Riichi Mahjong Tournament 2025: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 914 |
|
4/36 | 100% | 2.50 | CRR | Akademgorodok Riichi Mahjong Tournament 2026 | Novosibirsk | |
| 2 | 290 |
|
23/32 | 86% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 3 | 67 |
|
15/16 | 0% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |