Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date May 19, 2024 (latest changes May 12, 2024).
31 place (538.87).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (198.20 * 4.05 * 0.14 + 953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 0 + 0) / (4.05 * 0.14 + 4 * 1 + 2.10 * 1 + 1 + 1) = 689.2862965785952
p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 198.20 * 4.05 * 0.14) / max_coefficients = 388.4506493506494
score = 689.2862965785952 * 0.5 + 388.4506493506494 * 0.5 = 538.8684729646222
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-12 | 15 -> 31 | 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 | 55 -> 49 | 400.91 | |
| 2024-03-10 | 47 -> 55 | 426.54 -> 400.91 | |
| 2024-03-06 | 47 | 417.53 -> 426.54 | |
| 2024-02-12 | 48 -> 47 | 404.41 -> 417.53 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 49 -> 48 | 396.78 -> 404.41 | |
| 2023-12-19 | 50 -> 49 | 396.78 |
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 | 14% | 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 |