Vakhonin Stepan
From Saint Petersburg, Russia
EMA: 15990444
Common russian riichi rating (CRR)
Rating date June 20, 2024 (latest changes June 20, 2024).
9 place (704.34).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (794.87 * 1.80 * 0.29 + 774.19 * 1.80 * 0.71 + 695.65 * 1.40 * 0.86 + 953.27 * 4 * 1 + 978.26 * 2.10 * 1) / (1.80 * 0.29 + 1.80 * 0.71 + 1.40 * 0.86 + 4 * 1 + 2.10 * 1) = 890.8135658037306
p2 = (953.27 * 4 * 1 + 978.26 * 2.10 * 1 + 774.19 * 1.80 * 0.71 + 695.65 * 1.40 * 0.86) / max_coefficients = 517.8629754526418
score = 890.8135658037306 * 0.5 + 517.8629754526418 * 0.5 = 704.3382706281861
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-11 | 15 -> 9 | 674.62 -> 704.34 | |
| 2024-06-09 | 13 -> 15 | 674.62 | |
| 2024-05-25 | 12 -> 13 | 674.62 | |
| 2024-05-12 | 4 -> 12 | 705.63 -> 674.62 | |
| 2024-04-27 | 4 | 704.93 -> 705.63 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 4 | 711.26 -> 704.93 |
Earth cup: 86% -> 71% |
| 2024-04-22 | 4 | 714.89 -> 711.26 |
Fire cup 2023: 100% -> 86% |
| 2024-04-12 | 5 -> 4 | 697.89 -> 714.89 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 13 -> 5 | 625.29 -> 697.89 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 15 -> 13 | 625.29 |
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 | 86% | 1.40 | CRR | Fire cup 2023 |
| 4 | 774 |
|
8/32 | 71% | 1.80 | CRR | Earth cup |
| 5 | 795 |
|
9/40 | 29% | 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 |