Kolobov Vasilii
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
287 place (17.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (0 * 1.60 * 0.43 + 64.52 * 2.40 * 1 + 0 + 0 + 0) / (1.60 * 0.43 + 2.40 * 1 + 1 + 1 + 1) = 25.44300136712588
p2 = (64.52 * 2.40 * 1 + 0 * 1.60 * 0.43) / max_coefficients = 10.357190635451506
score = 25.44300136712588 * 0.5 + 10.357190635451506 * 0.5 = 17.900096001288695
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-05 | 287 | 17.44 -> 17.90 |
Akademgorodok: Riichi Mahjong Tournament 2024: 57% -> 43% |
| 2025-11-04 | 283 -> 287 | 17.68 -> 17.44 | |
| 2025-11-01 | 283 | 17.66 -> 17.68 | |
| 2025-10-22 | 285 -> 283 | 17.66 | |
| 2025-10-13 | 285 | 17.49 -> 17.66 | |
| 2025-09-05 | 285 | 17.06 -> 17.49 |
Akademgorodok: Riichi Mahjong Tournament 2024: 71% -> 57% |
| 2025-09-03 | 298 -> 285 | 17.06 | |
| 2025-09-01 | 298 | 16.93 -> 17.06 | |
| 2025-08-31 | 291 -> 298 | 16.93 | |
| 2025-08-26 | 293 -> 291 | 16.93 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 65 |
|
30/32 | 100% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 0 |
|
16/16 | 43% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk | |
| 3 | 800 |
|
4/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |