Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
4 place (647.62).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (563.64 * 3.30 * 0.43 + 786.67 * 3.45 * 0.57 + 695.65 * 2.80 * 1 + 255.32 * 3.10 * 0.57 + 417.91 * 3.50 * 0.71 + 946.67 * 4.20 * 1) / (3.30 * 0.43 + 3.45 * 0.57 + 2.80 * 1 + 3.10 * 0.57 + 3.50 * 0.71 + 4.20 * 1) = 666.4940540761814
p2 = (946.67 * 4.20 * 1 + 695.65 * 2.80 * 1 + 786.67 * 3.45 * 0.57 + 417.91 * 3.50 * 0.71) / max_coefficients = 628.7364253268438
score = 666.4940540761814 * 0.5 + 628.7364253268438 * 0.5 = 647.6152397015126
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-20 | 4 | 639.77 -> 647.62 |
Tenpai can't buy happiness: 86% -> 71% |
| 2023-05-06 | 4 | 638.34 -> 639.77 |
Kirov Tournament: 57% -> 43% |
| 2023-05-05 | 1 -> 4 | 861.29 -> 638.34 | |
| 2021-02-01 | 4 -> 1 | 789.77 -> 861.29 | |
| 2020-02-01 | 4 | 789.77 |