Tyurkina Karina
From Saint Petersburg, Russia
EMA: 15990500
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
81 place (475.14).
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 + 1000 * 2 * 1 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 2 * 1 + 1 + 1) = 551.4864864864865
p2 = (684.21 * 3.85 * 1 + 1000 * 2 * 1 + 457.63 * 3.25 * 1) / max_coefficients = 398.79478827361567
score = 551.4864864864865 * 0.5 + 398.79478827361567 * 0.5 = 475.1406373800511
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 84 -> 81 | 471.41 -> 475.14 | |
| 2025-07-05 | 85 -> 84 | 471.41 | |
| 2025-07-03 | 84 -> 85 | 471.41 | |
| 2025-06-15 | 79 -> 84 | 477.21 -> 471.41 | |
| 2025-06-14 | 135 -> 79 | 339.68 -> 477.21 |
Tonpu-master: 0% -> 100% |
| 2025-06-11 | 137 -> 135 | 339.68 | |
| 2025-06-08 | 136 -> 137 | 339.68 | |
| 2025-05-30 | 137 -> 136 | 339.68 | |
| 2025-05-25 | 138 -> 137 | 339.68 | |
| 2025-05-17 | 136 -> 138 | 339.68 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 1000 |
|
1/19 | 100% | 2.00 | CRR | Tonpu-master | Saint Petersburg |
| 2 | 458 |
|
33/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 3 | 684 |
|
31/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |