Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Internal rating (RR)
Rating date Dec. 5, 2025 (latest changes Dec. 4, 2025).
4 place (782.41).
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 * 0.29 + 317.76 * 4.60 * 0.43 + 647.06 * 3.05 * 0.57 + 835.44 * 3.65 * 0.57 + 905.26 * 3.85 * 0.71 + 382.02 * 3.75 * 0.86 + 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 * 0.29 + 4.60 * 0.43 + 3.05 * 0.57 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.05 * 1 + 4.10 * 1 + 2.45 * 1 + 3.45 * 1 + 3.90 * 1 + 3 * 1) = 695.4877636544223
p2 = (940.30 * 4.10 * 1 + 947.37 * 3.90 * 1 + 857.14 * 3.45 * 1 + 905.26 * 3.85 * 0.71) / max_coefficients = 869.3391304347825
score = 695.4877636544223 * 0.5 + 869.3391304347825 * 0.5 = 782.4134470446024
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-11-01 | 9 -> 13 | 763.48 -> 745.39 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 11 -> 9 | 747.86 -> 763.48 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 11 | 747.56 -> 747.86 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 8 -> 11 | 763.60 -> 747.56 |
Riichi over Volga: 86% -> 71% |
| 2025-09-12 | 10 -> 8 | 759.54 -> 763.60 |
X Russian Championship: 71% -> 57% |