Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
57 place (387.97).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (774.19 * 1.80 * 1 + 173.33 * 3.45 * 0.57 + 198.20 * 4.05 * 1 + 794.87 * 1.80 * 1 + 695.65 * 1.40 * 1) / (1.80 * 1 + 3.45 * 0.57 + 4.05 * 1 + 1.80 * 1 + 1.40 * 1) = 448.4603945258875
p2 = (794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1 + 198.20 * 4.05 * 1) / max_coefficients = 327.4718235426001
score = 448.4603945258875 * 0.5 + 327.4718235426001 * 0.5 = 387.9661090342438
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-06 | 56 -> 57 | 387.97 | |
| 2023-05-05 | 171 -> 56 | 64.46 -> 387.97 | |
| 2021-02-01 | 267 -> 171 | 65.65 -> 64.46 | |
| 2020-02-01 | 267 | 65.65 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 696 |
|
8/24 | 100% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg |
| 2 | 774 |
|
8/32 | 100% | 1.80 | CRR | Earth cup | Saint Petersburg |
| 3 | 795 |
|
9/40 | 100% | 1.80 | CRR | Sun tournament | Saint Petersburg |
| 4 | 198 |
|
90/112 | 100% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 5 | 173 |
|
63/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |
| 6 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg |
| 7 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 | Saint Petersburg |