Kolobov Vasilii
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Aug. 3, 2025 (latest changes Aug. 3, 2025).
297 place (-51.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
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 = -29.858631921824102
score = -72.2589738415357 * 0.5 + -29.858631921824102 * 0.5 = -51.0588028816799
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-07-12 | 283 | -50.78 -> -51.06 | |
| 2025-07-05 | 283 | -49.52 -> -50.78 |
Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71% |
| 2025-06-15 | 274 -> 283 | -49.96 -> -49.52 | |
| 2025-06-14 | 269 -> 274 | -49.96 | |
| 2025-06-11 | 277 -> 269 | -49.96 | |
| 2025-06-08 | 274 -> 277 | -49.96 |
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 |