Kolobov Vasilii
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
289 place (-53.45).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (0 * 1.60 * 0.57 + -208.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.57 + 2.20 * 1 + 1 + 1 + 1) = -74.96107447532317
p2 = (0 * 1.60 * 0.57 + -208.33 * 2.20 * 1) / max_coefficients = -31.93974007366635
score = -74.96107447532317 * 0.5 + -31.93974007366635 * 0.5 = -53.450407274494765
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 289 | -52.96 -> -53.45 | |
| 2025-09-05 | 289 | -51.61 -> -52.96 |
Akademgorodok: Riichi Mahjong Tournament 2024: 71% -> 57% |
| 2025-09-03 | 301 -> 289 | -51.61 | |
| 2025-09-01 | 301 | -51.21 -> -51.61 | |
| 2025-08-31 | 294 -> 301 | -51.21 | |
| 2025-08-26 | 296 -> 294 | -51.21 | |
| 2025-08-25 | 297 -> 296 | -51.21 | |
| 2025-08-04 | 297 | -51.06 -> -51.21 | |
| 2025-08-03 | 292 -> 297 | -51.06 | |
| 2025-08-02 | 291 -> 292 | -51.06 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | -208 |
|
30/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 0 |
|
16/16 | 57% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk | |
| 3 | 800 |
|
4/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |