Kolobov Vasilii
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Jan. 25, 2026 (latest changes Jan. 25, 2026).
309 place (-55.84).
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 * 0.29 + -208.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.29 + 2.20 * 1 + 1 + 1 + 1) = -81.01825663942076
p2 = (0 * 1.60 * 0.29 + -208.33 * 2.20 * 1) / max_coefficients = -30.65752508361204
score = -81.01825663942076 * 0.5 + -30.65752508361204 * 0.5 = -55.8378908615164
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-07 | 307 -> 309 | -55.84 | |
| 2026-01-05 | 307 | -54.26 -> -55.84 |
Akademgorodok: Riichi Mahjong Tournament 2024: 43% -> 29% |
| 2026-01-03 | 303 -> 307 | -54.26 | |
| 2025-12-27 | 298 -> 303 | -54.26 | |
| 2025-12-07 | 295 -> 298 | -54.26 | |
| 2025-12-06 | 291 -> 295 | -54.26 | |
| 2025-11-30 | 290 -> 291 | -54.26 | |
| 2025-11-25 | 291 -> 290 | -54.26 | |
| 2025-11-05 | 291 | -52.81 -> -54.26 |
Akademgorodok: Riichi Mahjong Tournament 2024: 57% -> 43% |
| 2025-11-04 | 287 -> 291 | -53.51 -> -52.81 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | -208 |
|
30/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 0 |
|
16/16 | 29% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk | |
| 3 | 800 |
|
4/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |