Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Internal rating (RR)
Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).
89 place (304.19).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (160 * 3.45 * 0.29 + 27.03 * 4.05 * 0.71 + 813.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 1 + 1) = 362.3427109771416
p2 = (813.33 * 4.20 * 1 + 160 * 3.45 * 0.29 + 27.03 * 4.05 * 0.71) / max_coefficients = 246.03657704702886
score = 362.3427109771416 * 0.5 + 246.03657704702886 * 0.5 = 304.18964401208524
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2023-06-12 | 85 -> 82 | 290.10 -> 302.56 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 66 -> 85 | 310.60 -> 290.10 | |
| 2023-05-28 | 67 -> 66 | 308.10 -> 310.60 |
Saint Petersburg Open 2021: 57% -> 43% |