Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 3, 2022 (latest changes Dec. 3, 2022).
107 place (199.57).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (360 * 3.45 * 0.86 + 538.46 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 0.86 + 1.80 * 1 + 1 + 1 + 1) = 262.1827137957418
p2 = (360 * 3.45 * 0.86 + 538.46 * 1.80 * 1) / max_coefficients = 136.95286195286195
score = 262.1827137957418 * 0.5 + 136.95286195286195 * 0.5 = 199.56778787430187
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-12-03 | 107 | 199.57 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 538 |
|
19/40 | 100% | 1.80 | CRR | Sun tournament |
| 2 | 360 |
|
49/76 | 86% | 3.45 | RR | Saint Petersburg Open 2021 |