Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
55 place (394.01).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (173.33 * 3.45 * 0.57 + 198.20 * 4.05 * 1 + 794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1) / (3.45 * 0.57 + 4.05 * 1 + 1.80 * 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 = 339.55077656540004
score = 448.4603945258875 * 0.5 + 339.55077656540004 * 0.5 = 394.0055855456438
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-20 | 57 -> 55 | 387.97 -> 394.01 | |
| 2023-05-06 | 56 -> 57 | 387.97 | |
| 2023-05-01 | 55 -> 56 | 387.97 | |
| 2023-04-22 | 72 -> 55 | 328.06 -> 387.97 |
Fire cup 2023: 0% -> 100% |
| 2023-04-19 | 73 -> 72 | 328.06 | |
| 2023-03-28 | 75 -> 73 | 326.66 -> 328.06 |
Saint Petersburg Open 2021: 71% -> 57% |
| 2023-03-20 | 75 | 321.70 -> 326.66 | |
| 2023-02-25 | 103 -> 75 | 220.41 -> 321.70 |
Earth cup: 0% -> 100% |
| 2023-01-14 | 101 -> 103 | 220.41 | |
| 2023-01-06 | 103 -> 101 | 220.41 |
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 | 100% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 173 |
|
63/76 | 57% | 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 |