Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date Feb. 17, 2024 (latest changes Feb. 17, 2024).
96 place (288.41).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (27.03 * 4.05 * 0.29 + 813.33 * 4.20 * 0.71 + 230.77 * 2.90 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 2.90 * 1 + 1 + 1) = 346.7483406746828
p2 = (813.33 * 4.20 * 0.71 + 230.77 * 2.90 * 1 + 27.03 * 4.05 * 0.29) / max_coefficients = 230.07591175423403
score = 346.7483406746828 * 0.5 + 230.07591175423403 * 0.5 = 288.41212621445845
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 99 -> 96 | 279.38 -> 288.41 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 101 -> 99 | 279.38 | |
| 2024-01-09 | 102 -> 101 | 279.38 | |
| 2024-01-06 | 96 -> 102 | 305.87 -> 279.38 |
IX Russian Riichi Championship: 86% -> 71% |
| 2024-01-05 | 98 -> 96 | 305.87 | |
| 2024-01-03 | 99 -> 98 | 305.87 | |
| 2023-12-27 | 100 -> 99 | 305.87 | |
| 2023-12-19 | 102 -> 100 | 305.87 | |
| 2023-12-12 | 104 -> 102 | 297.62 -> 305.87 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 107 -> 104 | 312.54 -> 297.62 |
Saint Petersburg Open 2021: 14% -> 0% |