Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Internal rating (RR)
Rating date Jan. 16, 2026 (latest changes Jan. 14, 2026).
4 place (769.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (980.39 * 3.05 * 0.14 + 317.76 * 4.60 * 0.29 + 647.06 * 3.05 * 0.43 + 835.44 * 3.65 * 0.57 + 905.26 * 3.85 * 0.57 + 382.02 * 3.75 * 0.71 + 392.16 * 3.05 * 1 + 940.30 * 4.10 * 1 + 666.67 * 2.45 * 1 + 857.14 * 3.45 * 1 + 947.37 * 3.90 * 1 + 419.35 * 3 * 1) / (3.05 * 0.14 + 4.60 * 0.29 + 3.05 * 0.43 + 3.65 * 0.57 + 3.85 * 0.57 + 3.75 * 0.71 + 3.05 * 1 + 4.10 * 1 + 2.45 * 1 + 3.45 * 1 + 3.90 * 1 + 3 * 1) = 702.0855201388524
p2 = (940.30 * 4.10 * 1 + 947.37 * 3.90 * 1 + 857.14 * 3.45 * 1 + 905.26 * 3.85 * 0.57) / max_coefficients = 836.0254180602005
score = 702.0855201388524 * 0.5 + 836.0254180602005 * 0.5 = 769.0554690995265
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-12 | 6 -> 4 | 764.93 -> 769.06 |
X Russian Championship: 43% -> 29% |
| 2026-01-10 | 5 -> 6 | 766.94 -> 764.93 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-01 | 2 -> 5 | 785.40 -> 766.94 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-13 | 4 -> 2 | 782.74 -> 785.40 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-09 | 4 | 782.41 -> 782.74 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-04 | 3 -> 4 | 783.52 -> 782.41 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 4 -> 3 | 797.38 -> 783.52 |
Final Cup 2025: 0% -> 100% |
| 2025-11-12 | 5 -> 4 | 793.03 -> 797.38 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 5 | 794.87 -> 793.03 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 13 -> 5 | 745.39 -> 794.87 |
XI Russian Championship: 0% -> 100% |