Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Nov. 26, 2023 (latest changes Nov. 26, 2023).
53 place (448.79).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (946.67 * 3.45 * 0.14 + 923.08 * 1.80 * 0.71 + 741.94 * 1.80 * 1 + 565.22 * 1.40 * 1 + 0) / (3.45 * 0.14 + 1.80 * 0.71 + 1.80 * 1 + 1.40 * 1 + 1) = 632.2949046998993
p2 = (741.94 * 1.80 * 1 + 923.08 * 1.80 * 0.71 + 565.22 * 1.40 * 1 + 946.67 * 3.45 * 0.14) / max_coefficients = 265.289666816844
score = 632.2949046998993 * 0.5 + 265.289666816844 * 0.5 = 448.7922857583717
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-26 | 50 -> 53 | 449.73 -> 448.79 | |
| 2023-11-20 | 51 -> 50 | 449.73 | |
| 2023-11-06 | 141 -> 51 | 137.10 -> 449.73 | |
| 2021-02-01 | 86 -> 141 | 460.67 -> 137.10 | |
| 2020-02-01 | 86 | 460.67 |