Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date July 14, 2024 (latest changes July 14, 2024).
39 place (519.76).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 0 + 0 + 0) / (4 * 1 + 2.10 * 1 + 1 + 1 + 1) = 644.7725274725275
p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1) / max_coefficients = 394.73766535198
score = 644.7725274725275 * 0.5 + 394.73766535198 * 0.5 = 519.7550964122538
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-14 | 35 -> 39 | 519.76 | |
| 2024-06-11 | 35 | 538.87 -> 519.76 | |
| 2024-06-09 | 30 -> 35 | 538.87 | |
| 2024-05-12 | 15 -> 30 | 576.51 -> 538.87 | |
| 2024-05-06 | 15 | 571.24 -> 576.51 | |
| 2024-04-12 | 16 -> 15 | 560.24 -> 571.24 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 49 -> 16 | 400.91 -> 560.24 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 54 -> 49 | 400.91 | |
| 2024-03-10 | 46 -> 54 | 426.54 -> 400.91 | |
| 2024-03-06 | 46 | 417.53 -> 426.54 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 978 |
|
2/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 198 |
|
90/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 5 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 6 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |