Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date March 20, 2024 (latest changes March 20, 2024).
49 place (400.91).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (198.20 * 4.05 * 0.29 + 953.27 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.29 + 4 * 1 + 1 + 1 + 1) = 495.5704151666925
p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.29) / max_coefficients = 306.245965872417
score = 495.5704151666925 * 0.5 + 306.245965872417 * 0.5 = 400.90819051955475
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-20 | 54 -> 49 | 400.91 | |
| 2024-03-10 | 46 -> 54 | 426.54 -> 400.91 | |
| 2024-03-06 | 46 | 417.53 -> 426.54 | |
| 2024-02-12 | 47 -> 46 | 404.41 -> 417.53 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 48 -> 47 | 396.78 -> 404.41 | |
| 2023-12-19 | 49 -> 48 | 396.78 | |
| 2023-12-12 | 51 -> 49 | 385.63 -> 396.78 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 49 -> 51 | 406.81 -> 385.63 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-06 | 53 -> 49 | 400.10 -> 406.81 | |
| 2023-10-19 | 54 -> 53 | 400.10 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 198 |
|
90/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 3 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 4 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 5 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |