Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Internal rating (RR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
81 place (322.18).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (160 * 3.45 * 0.14 + 27.03 * 4.05 * 0.57 + 813.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.14 + 4.05 * 0.57 + 4.20 * 1 + 1 + 1) = 394.95513299119864
p2 = (813.33 * 4.20 * 1 + 160 * 3.45 * 0.14 + 27.03 * 4.05 * 0.57) / max_coefficients = 249.39621443098338
score = 394.95513299119864 * 0.5 + 249.39621443098338 * 0.5 = 322.175673711091
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-10-12 | 86 -> 81 | 306.73 -> 322.18 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 87 -> 86 | 304.19 -> 306.73 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 89 -> 87 | 304.19 | |
| 2023-09-03 | 67 -> 89 | 323.35 -> 304.19 | |
| 2023-08-19 | 68 -> 67 | 323.35 | |
| 2023-08-12 | 76 -> 68 | 308.71 -> 323.35 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-28 | 80 -> 76 | 307.57 -> 308.71 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 80 | 302.56 -> 307.57 | |
| 2023-07-06 | 81 -> 80 | 302.56 | |
| 2023-06-19 | 82 -> 81 | 302.56 |