Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date June 12, 2023 (latest changes June 12, 2023).
61 place (396.05).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (173.33 * 3.45 * 0.43 + 198.20 * 4.05 * 0.86 + 794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1) / (3.45 * 0.43 + 4.05 * 0.86 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1) = 476.6397736666356
p2 = (794.87 * 1.80 * 1 + 774.19 * 1.80 * 1 + 695.65 * 1.40 * 1 + 198.20 * 4.05 * 0.86) / max_coefficients = 315.4595005855671
score = 476.6397736666356 * 0.5 + 315.4595005855671 * 0.5 = 396.0496371261014
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 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 |
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 | 86% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 173 |
|
63/76 | 43% | 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 |