Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date July 28, 2023 (latest changes July 28, 2023).
93 place (301.02).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (160 * 3.45 * 0.29 + 27.03 * 4.05 * 0.86 + 813.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.86 + 4.20 * 1 + 1 + 1) = 344.1454003595786
p2 = (813.33 * 4.20 * 1 + 160 * 3.45 * 0.29 + 27.03 * 4.05 * 0.86) / max_coefficients = 257.89074171020775
score = 344.1454003595786 * 0.5 + 257.89074171020775 * 0.5 = 301.0180710348932
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-28 | 94 -> 93 | 299.72 -> 301.02 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-06 | 96 -> 94 | 299.72 | |
| 2023-07-03 | 97 -> 96 | 299.72 | |
| 2023-06-19 | 98 -> 97 | 299.72 | |
| 2023-06-12 | 103 -> 98 | 287.47 -> 299.72 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 84 -> 103 | 299.20 -> 287.47 | |
| 2023-05-28 | 85 -> 84 | 298.87 -> 299.20 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 86 -> 85 | 293.83 -> 298.87 | |
| 2023-05-05 | 69 -> 86 | 361.99 -> 293.83 | |
| 2021-02-01 | 117 -> 69 | 378.88 -> 361.99 |