Tyurkina Karina
From Saint Petersburg, Russia
EMA: 15990500
Internal rating (RR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
133 place (303.66).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (684.21 * 3.85 * 0.71 + 457.63 * 3.25 * 1 + 142.86 * 3.45 * 1 + 0 + 0) / (3.85 * 0.71 + 3.25 * 1 + 3.45 * 1 + 1 + 1) = 337.2708690045594
p2 = (684.21 * 3.85 * 0.71 + 457.63 * 3.25 * 1 + 142.86 * 3.45 * 1) / max_coefficients = 270.05384615384617
score = 337.2708690045594 * 0.5 + 270.05384615384617 * 0.5 = 303.66235757920276
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 129 -> 133 | 324.25 -> 303.66 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 129 | 319.76 -> 324.25 | |
| 2025-10-04 | 130 -> 129 | 319.76 | |
| 2025-09-14 | 131 -> 130 | 319.76 | |
| 2025-09-10 | 132 -> 131 | 319.76 | |
| 2025-09-03 | 133 -> 132 | 319.76 | |
| 2025-09-01 | 128 -> 133 | 335.63 -> 319.76 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 123 -> 128 | 339.61 -> 335.63 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 124 -> 123 | 338.29 -> 339.61 | |
| 2025-08-03 | 121 -> 124 | 338.29 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 143 |
|
67/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 458 |
|
33/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 684 |
|
31/96 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |