Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date Feb. 27, 2024 (latest changes Feb. 27, 2024).
12 place (626.17).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (198.20 * 4.05 * 0.29 + 794.87 * 1.80 * 0.43 + 774.19 * 1.80 * 0.86 + 695.65 * 1.40 * 1 + 953.27 * 4 * 1) / (4.05 * 0.29 + 1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 1 + 4 * 1) = 769.2136874397287
p2 = (953.27 * 4 * 1 + 774.19 * 1.80 * 0.86 + 695.65 * 1.40 * 1 + 794.87 * 1.80 * 0.43) / max_coefficients = 483.1209533144908
score = 769.2136874397287 * 0.5 + 483.1209533144908 * 0.5 = 626.1673203771097
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-27 | 12 | 634.01 -> 626.17 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 9 -> 12 | 641.37 -> 634.01 |
Earth cup: 100% -> 86% |
| 2024-02-18 | 11 -> 9 | 641.37 | |
| 2024-02-12 | 13 -> 11 | 624.76 -> 641.37 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 15 -> 13 | 613.97 -> 624.76 | |
| 2023-12-27 | 12 -> 15 | 621.87 -> 613.97 |
Sun tournament: 71% -> 57% |
| 2023-12-19 | 13 -> 12 | 621.87 | |
| 2023-12-18 | 15 -> 13 | 621.87 | |
| 2023-12-12 | 21 -> 15 | 607.41 -> 621.87 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 22 -> 21 | 595.71 -> 607.41 |
Saint Petersburg Open 2021: 14% -> 0% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 953 |
|
6/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 696 |
|
8/24 | 100% | 1.40 | CRR | Fire cup 2023 |
| 3 | 774 |
|
8/32 | 86% | 1.80 | CRR | Earth cup |
| 4 | 795 |
|
9/40 | 43% | 1.80 | CRR | Sun tournament |
| 5 | 198 |
|
90/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 6 | 173 |
|
63/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 7 | 222 |
|
50/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 8 | 0 |
|
40/40 | 0% | 2.90 | RR | Summer Cup 2019 |