Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Internal rating (RR)
Rating date May 31, 2025 (latest changes May 30, 2025).
27 place (668.39).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (471.26 * 3.75 * 0.14 + 1000 * 4 * 0.29 + 980.39 * 3.05 * 0.71 + 647.06 * 3.05 * 1 + 835.44 * 3.65 * 1 + 905.26 * 3.85 * 1 + 382.02 * 3.75 * 1 + 392.16 * 3.05 * 1 + 300 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.71 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 3.50 * 1) = 636.1709438793166
p2 = (905.26 * 3.85 * 1 + 835.44 * 3.65 * 1 + 980.39 * 3.05 * 0.71 + 647.06 * 3.05 * 1) / max_coefficients = 700.6054239349792
score = 636.1709438793166 * 0.5 + 700.6054239349792 * 0.5 = 668.3881839071479
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 29 -> 27 | 653.86 -> 668.39 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 26 -> 29 | 670.31 -> 653.86 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 21 -> 26 | 668.63 -> 670.31 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-26 | 20 -> 21 | 668.63 | |
| 2025-04-11 | 20 | 666.99 -> 668.63 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-10 | 16 -> 20 | 683.18 -> 666.99 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 15 -> 16 | 696.64 -> 683.18 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-02-16 | 13 -> 15 | 696.64 | |
| 2025-02-11 | 13 | 695.00 -> 696.64 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 10 -> 13 | 709.91 -> 695.00 |
Agari Winter Tournament 2025: 0% -> 100% |