Bogatov Aleksei
From Russia
Common russian riichi rating (CRR)
Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).
187 place (227.01).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (556.96 * 3.65 * 1 + 238.10 * 2.60 * 1 + 0 + 0 + 0) / (3.65 * 1 + 2.60 * 1 + 1 + 1 + 1) = 286.6983783783784
p2 = (556.96 * 3.65 * 1 + 238.10 * 2.60 * 1) / max_coefficients = 167.31608832807572
score = 286.6983783783784 * 0.5 + 167.31608832807572 * 0.5 = 227.00723335322704
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 180 -> 187 | 227.01 | |
| 2025-02-11 | 179 -> 180 | 227.01 | |
| 2025-02-02 | 172 -> 179 | 227.01 | |
| 2025-01-26 | 172 | 227.01 |
Riichi On Ice: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 238 |
|
33/43 | 100% | 2.60 | RR | Riichi On Ice |
| 2 | 557 |
|
36/80 | 100% | 3.65 | RR | Riichi over Volga |