Elshankin Andrey
From Ivanovo, Russia
EMA: 15990133
Common russian riichi rating (CRR)
Rating date Dec. 4, 2022 (latest changes Dec. 4, 2022).
50 place (416.97).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
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 = 400.93400673400674
score = 433.00872727272724 * 0.5 + 400.93400673400674 * 0.5 = 416.971367003367
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-12-03 | 77 -> 50 | 323.26 -> 416.97 | |
2021-02-01 | 94 -> 77 | 434.04 -> 323.26 | |
2020-02-01 | 94 | 434.04 |