Bogatov Aleksei
From Samara, Russia
Common russian riichi rating (CRR)
Rating date March 31, 2025 (latest changes March 30, 2025).
188 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 |
|---|---|---|---|
| 2025-03-30 | 189 -> 188 | 227.01 | |
| 2025-03-29 | 187 -> 189 | 227.01 | |
| 2025-03-23 | 181 -> 187 | 227.01 | |
| 2025-03-10 | 182 -> 181 | 227.01 | |
| 2025-03-05 | 184 -> 182 | 227.01 | |
| 2025-03-03 | 187 -> 184 | 227.01 | |
| 2025-03-02 | 184 -> 187 | 227.01 | |
| 2025-02-25 | 187 -> 184 | 227.01 | |
| 2025-02-16 | 180 -> 187 | 227.01 | |
| 2025-02-11 | 179 -> 180 | 227.01 |
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 |