Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date March 30, 2023 (latest changes March 30, 2023).
153 place (126.32).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418
p1 = (222.22 * 3.45 * 0.29 + 173.33 * 3.45 * 0.57 + 198.20 * 4.05 * 1 + 0 + 0) / (3.45 * 0.29 + 3.45 * 0.57 + 4.05 * 1 + 1 + 1) = 151.37568079031908
p2 = (198.20 * 4.05 * 1 + 173.33 * 3.45 * 0.57 + 222.22 * 3.45 * 0.29) / max_coefficients = 101.26424334790534
score = 151.37568079031908 * 0.5 + 101.26424334790534 * 0.5 = 126.31996206911221
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-30 | 153 | 132.23 -> 126.32 |
Saint Petersburg Open 2019: 43% -> 29% |
2023-03-28 | 154 -> 153 | 134.80 -> 132.23 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 155 -> 154 | 132.80 -> 134.80 | |
2023-03-06 | 157 -> 155 | 132.80 | |
2023-02-28 | 160 -> 157 | 132.80 | |
2023-02-19 | 162 -> 160 | 132.06 -> 132.80 | |
2023-01-30 | 163 -> 162 | 137.42 -> 132.06 |
Summer Cup 2019: 14% -> 0% Saint Petersburg Open 2019: 57% -> 43% |
2023-01-28 | 165 -> 163 | 143.96 -> 137.42 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-30 | 168 -> 165 | 143.96 | |
2022-12-19 | 175 -> 168 | 143.39 -> 143.96 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 198 |
|
90/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 173 |
|
63/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |
3 | 222 |
|
50/64 | 29% | 3.45 | EMA | Saint Petersburg Open 2019 |
4 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |