Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Internal rating (RR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
48 place (396.78).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001
p1 = (198.20 * 4.05 * 0.43 + 953.27 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.43 + 4 * 1 + 1 + 1 + 1) = 475.87006615284406
p2 = (953.27 * 4 * 1 + 198.20 * 4.05 * 0.43) / max_coefficients = 317.6854034763271
score = 475.87006615284406 * 0.5 + 317.6854034763271 * 0.5 = 396.7777348145856
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 49 -> 48 | 396.78 | |
2023-12-12 | 51 -> 49 | 385.63 -> 396.78 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 49 -> 51 | 406.81 -> 385.63 |
Saint Petersburg Open 2021: 14% -> 0% |
2023-11-06 | 53 -> 49 | 400.10 -> 406.81 | |
2023-10-19 | 54 -> 53 | 400.10 | |
2023-10-12 | 61 -> 54 | 388.86 -> 400.10 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 66 -> 61 | 384.18 -> 388.86 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-06 | 68 -> 66 | 384.18 | |
2023-09-03 | 114 -> 68 | 83.07 -> 384.18 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-12 | 114 | 89.58 -> 83.07 |
Moscow Riichi 2022: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 198 |
|
90/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
3 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
4 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
5 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |