Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Aug. 26, 2024 (latest changes Aug. 26, 2024).
29 place (634.30).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (774.19 * 1.80 * 0.43 + 695.65 * 1.40 * 0.57 + 953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 0) / (1.80 * 0.43 + 1.40 * 0.57 + 4 * 1 + 2.10 * 1 + 1) = 809.6913546077699
p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 774.19 * 1.80 * 0.43 + 695.65 * 1.40 * 0.57) / max_coefficients = 458.9013071895425
score = 809.6913546077699 * 0.5 + 458.9013071895425 * 0.5 = 634.2963308986562
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-26 | 17 -> 29 | 685.12 -> 634.30 | |
| 2024-08-25 | 16 -> 17 | 689.47 -> 685.12 |
Earth cup: 57% -> 43% |
| 2024-08-22 | 15 -> 16 | 691.49 -> 689.47 |
Fire cup 2023: 71% -> 57% |
| 2024-08-11 | 17 -> 15 | 688.94 -> 691.49 | |
| 2024-08-04 | 11 -> 17 | 698.55 -> 688.94 | |
| 2024-07-14 | 9 -> 11 | 698.55 | |
| 2024-07-06 | 11 -> 9 | 698.55 | |
| 2024-06-27 | 12 -> 11 | 696.95 -> 698.55 |
Sun tournament: 29% -> 14% |
| 2024-06-25 | 9 -> 12 | 701.85 -> 696.95 |
Earth cup: 71% -> 57% |
| 2024-06-22 | 9 | 704.34 -> 701.85 |
Fire cup 2023: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 978 |
|
2/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 696 |
|
8/24 | 57% | 1.40 | CRR | Fire cup 2023 |
| 4 | 774 |
|
8/32 | 43% | 1.80 | CRR | Earth cup |
| 5 | 795 |
|
9/40 | 14% | 1.80 | CRR | Sun tournament |
| 6 | 198 |
|
90/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 7 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 8 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 9 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |