Karabanova Olesya
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).
172 place (255.34).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (203.39 * 3.25 * 0.43 + 376.62 * 3.45 * 0.86 + 766.67 * 1.70 * 1 + 0 + 0) / (3.25 * 0.43 + 3.45 * 0.86 + 1.70 * 1 + 1 + 1) = 335.4445278818675
p2 = (766.67 * 1.70 * 1 + 376.62 * 3.45 * 0.86 + 203.39 * 3.25 * 0.43) / max_coefficients = 175.23101881894874
score = 335.4445278818675 * 0.5 + 175.23101881894874 * 0.5 = 255.3377733504081
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 163 -> 172 | 282.90 -> 255.34 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 160 -> 163 | 288.53 -> 282.90 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 159 -> 160 | 286.83 -> 288.53 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 160 -> 159 | 286.08 -> 286.83 | |
| 2026-08-13 | 161 -> 160 | 286.08 | |
| 2026-08-04 | 163 -> 161 | 286.08 | |
| 2026-07-26 | 164 -> 163 | 286.08 | |
| 2026-07-25 | 162 -> 164 | 286.08 | |
| 2026-07-18 | 160 -> 162 | 286.08 | |
| 2026-07-14 | 162 -> 160 | 286.08 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 767 |
|
8/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 2 | 377 |
|
49/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 203 |
|
48/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 4 | 326 |
|
65/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 5 | 696 |
|
15/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 6 | 664 |
|
37/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 660 |
|
17/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 8 | 187 |
|
62/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |