Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
171 place (64.46).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (0 * 2.90 * 0.43 + 222.22 * 3.45 * 0.71 + 0 + 0 + 0) / (2.90 * 0.43 + 3.45 * 0.71 + 1 + 1 + 1) = 81.64716669586382
p2 = (222.22 * 3.45 * 0.71 + 0 * 2.90 * 0.43) / max_coefficients = 47.267976880009705
score = 81.64716669586382 * 0.5 + 47.267976880009705 * 0.5 = 64.45757178793676
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 266 -> 171 | 65.65 -> 64.46 | |
2020-02-01 | 266 | 65.65 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 222 |
|
50/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
2 | 0 |
|
40/40 | 43% | 2.90 | RR | Summer Cup 2019 |