Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Dec. 29, 2024 (latest changes Dec. 29, 2024).
74 place (467.92).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (774.19 * 1.80 * 0.14 + 695.65 * 1.40 * 0.29 + 953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1) / (1.80 * 0.14 + 1.40 * 0.29 + 4 * 0.71 + 2.10 * 1 + 3.85 * 1) = 593.8221123367567
p2 = (953.27 * 4 * 0.71 + 978.26 * 2.10 * 1 + 94.74 * 3.85 * 1 + 695.65 * 1.40 * 0.29) / max_coefficients = 342.02082018927445
score = 593.8221123367567 * 0.5 + 342.02082018927445 * 0.5 = 467.9214662630156
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-25 | 69 -> 74 | 474.09 -> 467.92 |
Earth cup: 29% -> 14% |
| 2024-12-22 | 69 | 476.73 -> 474.09 |
Fire cup 2023: 43% -> 29% |
| 2024-12-11 | 70 -> 69 | 476.73 | |
| 2024-11-05 | 71 -> 70 | 476.73 | |
| 2024-11-03 | 65 -> 71 | 503.51 -> 476.73 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-27 | 67 -> 65 | 503.51 | |
| 2024-10-25 | 64 -> 67 | 511.63 -> 503.51 |
Earth cup: 43% -> 29% |
| 2024-10-22 | 62 -> 64 | 516.68 -> 511.63 |
Fire cup 2023: 57% -> 43% |
| 2024-10-18 | 61 -> 62 | 516.68 | |
| 2024-10-13 | 57 -> 61 | 520.91 -> 516.68 |
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 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 696 |
|
8/24 | 29% | 1.40 | CRR | Fire cup 2023 |
| 5 | 774 |
|
8/32 | 14% | 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 |