Volosnikov Oleg
From Kurgan, Russia
Common russian riichi rating (CRR)
Rating date Jan. 31, 2026 (latest changes Jan. 30, 2026).
180 place (280.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (259.26 * 2.30 * 0.14 + 289.72 * 4.60 * 0.29 + 63.83 * 2.80 * 0.43 + 391.30 * 2.20 * 0.57 + 483.87 * 2.40 * 1 + 328.36 * 4.10 * 1) / (2.30 * 0.14 + 4.60 * 0.29 + 2.80 * 0.43 + 2.20 * 0.57 + 2.40 * 1 + 4.10 * 1) = 334.1521973952953
p2 = (328.36 * 4.10 * 1 + 483.87 * 2.40 * 1 + 391.30 * 2.20 * 0.57 + 289.72 * 4.60 * 0.29) / max_coefficients = 226.1016722408027
score = 334.1521973952953 * 0.5 + 226.1016722408027 * 0.5 = 280.126934818049
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-26 | 181 -> 180 | 280.13 | |
| 2026-01-25 | 180 -> 181 | 280.13 | |
| 2026-01-15 | 178 -> 180 | 285.06 -> 280.13 |
Tails, money, two renchans: 71% -> 57% |
| 2026-01-14 | 182 -> 178 | 280.26 -> 285.06 |
Guardian of the Winds: 57% -> 43% |
| 2026-01-12 | 181 -> 182 | 285.63 -> 280.26 |
X Russian Championship: 43% -> 29% |
| 2026-01-07 | 180 -> 181 | 285.63 | |
| 2026-01-03 | 179 -> 180 | 285.63 | |
| 2026-01-01 | 180 -> 179 | 285.63 | |
| 2025-12-27 | 174 -> 180 | 285.63 | |
| 2025-12-25 | 174 | 284.76 -> 285.63 |
Chasing Kan: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 328 |
|
46/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 2 | 484 |
|
17/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 3 | 391 |
|
15/24 | 57% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 4 | 64 |
|
45/48 | 43% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 5 | 290 |
|
77/108 | 29% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 259 |
|
21/28 | 14% | 2.30 | CRR | Chasing Kan | Yekaterinburg |