Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
57 place (520.91).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (774.19 * 1.80 * 0.43 + 695.65 * 1.40 * 0.57 + 953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / (1.80 * 0.43 + 1.40 * 0.57 + 4 * 0.86 + 2.10 * 1 + 3.85 * 1) = 624.7616403527356
p2 = (953.27 * 4 * 0.86 + 978.26 * 2.10 * 1 + 774.19 * 1.80 * 0.43 + 695.65 * 1.40 * 0.57) / max_coefficients = 417.0616418948507
score = 624.7616403527356 * 0.5 + 417.0616418948507 * 0.5 = 520.9116411237932
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-11 | 61 -> 57 | 520.91 | |
| 2024-09-15 | 60 -> 61 | 520.91 | |
| 2024-09-03 | 51 -> 60 | 538.58 -> 520.91 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 29 -> 51 | 634.30 -> 538.58 |
SPB Riichi Open 2024: 0% -> 100% |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 95 |
|
87/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 2 | 978 |
|
2/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 953 |
|
6/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 696 |
|
8/24 | 57% | 1.40 | CRR | Fire cup 2023 |
| 5 | 774 |
|
8/32 | 43% | 1.80 | CRR | Earth cup |
| 6 | 795 |
|
9/40 | 0% | 1.80 | CRR | Sun tournament |
| 7 | 198 |
|
90/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 8 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 9 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 10 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |