Karabanova Olesya
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).
164 place (250.94).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (695.65 * 2.10 * 0.29 + 326.32 * 3.85 * 0.57 + 203.39 * 3.25 * 1 + 376.62 * 3.45 * 1 + 0) / (2.10 * 0.29 + 3.85 * 0.57 + 3.25 * 1 + 3.45 * 1 + 1) = 294.82297859209547
p2 = (376.62 * 3.45 * 1 + 326.32 * 3.85 * 0.57 + 203.39 * 3.25 * 1 + 695.65 * 2.10 * 0.29) / max_coefficients = 207.06354515050168
score = 294.82297859209547 * 0.5 + 207.06354515050168 * 0.5 = 250.94326187129857
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-12 | 167 -> 164 | 250.94 | |
| 2026-01-10 | 168 -> 167 | 250.94 | |
| 2026-01-07 | 165 -> 168 | 250.94 | |
| 2026-01-01 | 161 -> 165 | 257.73 -> 250.94 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-13 | 163 -> 161 | 257.73 | |
| 2025-12-07 | 159 -> 163 | 257.73 | |
| 2025-11-30 | 154 -> 159 | 269.99 -> 257.73 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-10 | 156 -> 154 | 269.99 | |
| 2025-11-04 | 150 -> 156 | 275.29 -> 269.99 | |
| 2025-11-01 | 147 -> 150 | 281.56 -> 275.29 |
SPB Riichi Open 2024: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 377 |
|
49/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 203 |
|
48/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 326 |
|
65/96 | 57% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 4 | 696 |
|
15/47 | 29% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 5 | 664 |
|
37/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 6 | 660 |
|
17/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 7 | 187 |
|
62/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |