Kolobov Vasilii
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).
289 place (-51.61).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (0 * 1.60 * 0.71 + -208.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.71 + 2.20 * 1 + 1 + 1 + 1) = -72.2589738415357
p2 = (0 * 1.60 * 0.71 + -208.33 * 2.20 * 1) / max_coefficients = -30.96824324324324
score = -72.2589738415357 * 0.5 + -30.96824324324324 * 0.5 = -51.61360854238947
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-07-26 | 286 -> 291 | -51.06 | |
| 2025-07-13 | 283 -> 286 | -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 | 71% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk | |
| 3 | 800 |
|
4/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |