Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Aug. 20, 2023 (latest changes Aug. 20, 2023).
51 place (416.02).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (173.33 * 3.45 * 0.29 + 198.20 * 4.05 * 0.71 + 794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1) / (3.45 * 0.29 + 4.05 * 0.71 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1) = 511.61897510637965
p2 = (794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1 + 198.20 * 4.05 * 0.71) / max_coefficients = 320.43005472071036
score = 511.61897510637965 * 0.5 + 320.43005472071036 * 0.5 = 416.024514913545
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-08-12 | 55 -> 51 | 403.96 -> 416.02 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-28 | 55 | 396.05 -> 403.96 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 58 -> 55 | 396.05 | |
| 2023-07-09 | 59 -> 58 | 396.05 | |
| 2023-07-06 | 60 -> 59 | 396.05 | |
| 2023-07-03 | 61 -> 60 | 396.05 | |
| 2023-06-12 | 66 -> 61 | 386.10 -> 396.05 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 53 -> 66 | 400.44 -> 386.10 | |
| 2023-05-28 | 55 -> 53 | 394.01 -> 400.44 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 57 -> 55 | 387.97 -> 394.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 696 |
|
8/24 | 100% | 1.40 | CRR | Fire cup 2023 |
| 2 | 774 |
|
8/32 | 100% | 1.80 | CRR | Earth cup |
| 3 | 795 |
|
9/40 | 100% | 1.80 | CRR | Sun tournament |
| 4 | 198 |
|
90/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 173 |
|
63/76 | 29% | 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 |