Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
96 place (107.89).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335
p1 = (173.33 * 3.45 * 0.71 + 198.20 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 1 + 1 + 1) = 129.26284390869148
p2 = (198.20 * 4.05 * 1 + 173.33 * 3.45 * 0.71) / max_coefficients = 86.52181055251617
score = 129.26284390869148 * 0.5 + 86.52181055251617 * 0.5 = 107.89232723060383
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-02-19 | 96 | 107.31 -> 107.89 | |
2023-01-28 | 96 | 110.43 -> 107.31 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 96 | 110.00 -> 110.43 | |
2022-11-28 | 96 | 112.78 -> 110.00 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 74 -> 96 | 115.68 -> 112.78 | |
2022-10-14 | 144 -> 74 | 64.46 -> 115.68 | |
2021-02-01 | 229 -> 144 | 65.65 -> 64.46 | |
2020-02-01 | 229 | 65.65 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 198 |
|
90/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 173 |
|
63/76 | 71% | 3.45 | RR | Saint Petersburg Open 2021 |
3 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
4 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |