Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
68 place (433.04).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 0 + 0) / (4 * 0.86 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 499.831259228011
p2 = (953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / max_coefficients = 366.2502253934726
score = 499.831259228011 * 0.5 + 366.2502253934726 * 0.5 = 433.0407423107418
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-06-11 | 35 | 538.87 -> 519.76 | |
| 2024-06-09 | 30 -> 35 | 538.87 | |
| 2024-05-12 | 15 -> 30 | 576.51 -> 538.87 |
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 | 86% | 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 |