Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date July 28, 2023 (latest changes July 28, 2023).
115 place (89.58).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155
p1 = (173.33 * 3.45 * 0.29 + 198.20 * 4.05 * 0.86 + 0 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.86 + 1 + 1 + 1) = 115.17489794714172
p2 = (198.20 * 4.05 * 0.86 + 173.33 * 3.45 * 0.29) / max_coefficients = 63.99225700023582
score = 115.17489794714172 * 0.5 + 63.99225700023582 * 0.5 = 89.58357747368876
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-28 | 115 | 94.57 -> 89.58 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 115 | 93.31 -> 94.57 | |
2023-06-19 | 144 -> 115 | 64.46 -> 93.31 | |
2021-02-01 | 230 -> 144 | 65.65 -> 64.46 | |
2020-02-01 | 230 | 65.65 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 198 |
|
90/112 | 86% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
2 | 173 |
|
63/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |
3 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg |
4 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 | Saint Petersburg |