Tyurkina Karina
From Saint Petersburg, Russia
EMA: 15990500
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
98 place (440.37).
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 + 1000 * 2 * 1 + 142.86 * 3.45 * 1 + 0) / (3.85 * 0.71 + 3.25 * 1 + 2 * 1 + 3.45 * 1 + 1) = 470.8228196582264
p2 = (1000 * 2 * 1 + 684.21 * 3.85 * 0.71 + 457.63 * 3.25 * 1 + 142.86 * 3.45 * 1) / max_coefficients = 409.91398601398595
score = 470.8228196582264 * 0.5 + 409.91398601398595 * 0.5 = 440.36840283610616
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 92 -> 98 | 457.28 -> 440.37 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-27 | 93 -> 92 | 457.28 | |
| 2025-10-13 | 95 -> 93 | 450.66 -> 457.28 | |
| 2025-09-30 | 96 -> 95 | 450.66 | |
| 2025-09-12 | 100 -> 96 | 450.66 | |
| 2025-09-03 | 99 -> 100 | 450.66 | |
| 2025-09-01 | 95 -> 99 | 461.65 -> 450.66 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 81 -> 95 | 477.11 -> 461.65 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 84 -> 81 | 475.14 -> 477.11 | |
| 2025-08-03 | 83 -> 84 | 475.14 |
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 | 1000 |
|
🥇 | 1/19 | 100% | 2.00 | CRR | Tonpu-master | Saint Petersburg |
| 3 | 458 |
|
33/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 4 | 684 |
|
31/96 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |