Petrov Andrei
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 29, 2026 (latest changes July 29, 2026).
316 place (126.61).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (0 * 1.70 * 1 + 645.16 * 1.80 * 1 + 0 + 0 + 0) / (1.70 * 1 + 1.80 * 1 + 1 + 1 + 1) = 178.66
p2 = (645.16 * 1.80 * 1 + 0 * 1.70 * 1) / max_coefficients = 74.56541657918174
score = 178.66 * 0.5 + 74.56541657918174 * 0.5 = 126.61270828959087
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-25 | 316 | 126.61 |
Seihoku Summer Tournament 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 645 |
|
12/32 | 100% | 1.80 | RR | Seihoku Summer Tournament 2026 | Saint Petersburg | |
| 2 | 0 |
|
31/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg |