Tyurkina Karina
From Saint Petersburg, Russia
EMA: 15990500
Internal rating (RR)
Rating date Aug. 3, 2025 (latest changes July 30, 2025).
121 place (338.29).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (684.21 * 3.85 * 1 + 457.63 * 3.25 * 1 + 0 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 1 + 1 + 1) = 408.0693069306931
p2 = (684.21 * 3.85 * 1 + 457.63 * 3.25 * 1) / max_coefficients = 268.5016286644951
score = 408.0693069306931 * 0.5 + 268.5016286644951 * 0.5 = 338.2854677975941
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-13 | 118 -> 121 | 338.29 | |
| 2025-07-12 | 119 -> 118 | 335.77 -> 338.29 | |
| 2025-07-10 | 120 -> 119 | 335.77 | |
| 2025-07-03 | 121 -> 120 | 335.77 | |
| 2025-06-15 | 115 -> 121 | 339.68 -> 335.77 | |
| 2025-06-11 | 117 -> 115 | 339.68 | |
| 2025-05-12 | 119 -> 117 | 334.05 -> 339.68 | |
| 2025-05-10 | 120 -> 119 | 334.05 | |
| 2025-05-03 | 117 -> 120 | 334.05 | |
| 2025-04-26 | 114 -> 117 | 334.05 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 458 |
|
33/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 2 | 684 |
|
31/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |