Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Nov. 23, 2024 (latest changes Nov. 6, 2024).
83 place (400.17).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 0 + 0) / (4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 475.8660892738174
p2 = (953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / max_coefficients = 324.4656151419558
score = 475.8660892738174 * 0.5 + 324.4656151419558 * 0.5 = 400.1658522078866
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-06 | 85 -> 83 | 400.17 | |
| 2024-11-03 | 74 -> 85 | 429.33 -> 400.17 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 68 -> 74 | 433.04 -> 429.33 | |
| 2024-10-11 | 70 -> 68 | 433.04 | |
| 2024-09-06 | 71 -> 70 | 433.04 | |
| 2024-09-03 | 66 -> 71 | 454.31 -> 433.04 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 45 -> 66 | 514.13 -> 454.31 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 46 -> 45 | 512.10 -> 514.13 | |
| 2024-08-04 | 39 -> 46 | 519.76 -> 512.10 | |
| 2024-07-14 | 35 -> 39 | 519.76 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 95 |
|
87/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 2 | 978 |
|
2/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 953 |
|
6/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 198 |
|
90/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 6 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 7 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |