Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
114 place (83.07).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (173.33 * 3.45 * 0.29 + 198.20 * 4.05 * 0.71 + 0 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 1 + 1 + 1) = 108.19384233373749
p2 = (198.20 * 4.05 * 0.71 + 173.33 * 3.45 * 0.29) / max_coefficients = 57.94835478047453
score = 108.19384233373749 * 0.5 + 57.94835478047453 * 0.5 = 83.07109855710601
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 114 | 89.58 -> 83.07 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 114 | 94.57 -> 89.58 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 114 | 93.31 -> 94.57 | |
2023-06-19 | 115 -> 114 | 93.31 | |
2023-06-12 | 113 -> 115 | 98.60 -> 93.31 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 95 -> 113 | 104.37 -> 98.60 | |
2023-05-28 | 96 -> 95 | 108.41 -> 104.37 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 96 | 106.71 -> 108.41 | |
2023-04-19 | 96 | 105.93 -> 106.71 | |
2023-03-28 | 96 | 109.47 -> 105.93 |
Saint Petersburg Open 2021: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 198 |
|
90/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
2 | 173 |
|
63/76 | 29% | 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 |