Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date Dec. 17, 2023 (latest changes Dec. 17, 2023).
102 place (305.87).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (27.03 * 4.05 * 0.43 + 813.33 * 4.20 * 0.86 + 230.77 * 2.90 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 2.90 * 1 + 1 + 1) = 356.0096329983929
p2 = (813.33 * 4.20 * 0.86 + 230.77 * 2.90 * 1 + 27.03 * 4.05 * 0.43) / max_coefficients = 255.72182666167006
score = 356.0096329983929 * 0.5 + 255.72182666167006 * 0.5 = 305.86572983003146
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-11-26 | 109 -> 107 | 291.00 -> 312.54 |
Autumn Agari tournament: 0% -> 100% |
| 2023-11-06 | 107 -> 109 | 318.07 -> 291.00 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-11-05 | 103 -> 107 | 318.07 | |
| 2023-10-22 | 100 -> 103 | 318.07 | |
| 2023-10-12 | 106 -> 100 | 306.73 -> 318.07 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 107 -> 106 | 304.19 -> 306.73 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 109 -> 107 | 304.19 | |
| 2023-09-06 | 110 -> 109 | 304.19 |