Elshankin Andrey
From Ivanovo, Russia
EMA: 15990133
Common russian riichi rating (CRR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
45 place (421.10).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (552.24 * 3.50 * 1 + 315.32 * 4.05 * 1 + 653.33 * 4.20 * 1 + 0 + 0) / (3.50 * 1 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 433.00872727272724
p2 = (653.33 * 4.20 * 1 + 552.24 * 3.50 * 1 + 315.32 * 4.05 * 1) / max_coefficients = 409.20068728522335
score = 433.00872727272724 * 0.5 + 409.20068728522335 * 0.5 = 421.1047072789753
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-02-19 | 48 -> 45 | 421.10 | |
2023-01-28 | 51 -> 48 | 418.92 -> 421.10 | |
2023-01-14 | 50 -> 51 | 418.92 | |
2023-01-06 | 51 -> 50 | 418.92 | |
2022-12-19 | 52 -> 51 | 416.97 -> 418.92 | |
2022-12-18 | 50 -> 52 | 416.97 | |
2022-12-03 | 77 -> 50 | 323.26 -> 416.97 | |
2021-02-01 | 94 -> 77 | 434.04 -> 323.26 | |
2020-02-01 | 94 | 434.04 |