Volosnikov Oleg
From Kurgan, Russia
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
155 place (343.29).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (63.83 * 2.80 * 0.14 + 391.30 * 2.20 * 0.29 + 483.87 * 2.40 * 0.71 + 328.36 * 4.10 * 1 + 600 * 2.50 * 1) / (2.80 * 0.14 + 2.20 * 0.29 + 2.40 * 0.71 + 4.10 * 1 + 2.50 * 1) = 422.485117168184
p2 = (600 * 2.50 * 1 + 328.36 * 4.10 * 1 + 483.87 * 2.40 * 0.71 + 391.30 * 2.20 * 0.29) / max_coefficients = 264.08956228956225
score = 422.485117168184 * 0.5 + 264.08956228956225 * 0.5 = 343.2873397288731
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 156 -> 155 | 343.29 | |
| 2026-05-15 | 150 -> 156 | 346.92 -> 343.29 |
Tails, money, two renchans: 43% -> 29% |
| 2026-05-14 | 158 -> 150 | 339.81 -> 346.92 |
Guardian of the Winds: 29% -> 14% |
| 2026-05-12 | 163 -> 158 | 336.21 -> 339.81 |
X Russian Championship: 14% -> 0% |
| 2026-05-11 | 162 -> 163 | 336.21 | |
| 2026-05-05 | 163 -> 162 | 336.21 | |
| 2026-05-03 | 161 -> 163 | 335.30 -> 336.21 | |
| 2026-05-02 | 157 -> 161 | 342.14 -> 335.30 |
Riichi Maslenitsa (shrovetide): 86% -> 71% |
| 2026-05-01 | 159 -> 157 | 342.14 | |
| 2026-04-19 | 152 -> 159 | 342.14 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
15/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 2 | 328 |
|
46/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 484 |
|
17/32 | 71% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 4 | 391 |
|
15/24 | 29% | 2.20 | CRR | Tails, money, two renchans | Tyumen | |
| 5 | 64 |
|
45/48 | 14% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 6 | 290 |
|
77/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 7 | 259 |
|
21/28 | 0% | 2.30 | CRR | Chasing Kan | Yekaterinburg |