Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
9 place (727.82).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (1000 * 4 * 0.14 + 974.36 * 2.90 * 0.43 + 980.39 * 3.05 * 0.57 + 317.76 * 4.60 * 0.71 + 647.06 * 3.05 * 0.86 + 835.44 * 3.65 * 1 + 905.26 * 3.85 * 1 + 382.02 * 3.75 * 1 + 434.78 * 2.80 * 1 + 392.16 * 3.05 * 1 + 940.30 * 4.10 * 1) / (4 * 0.14 + 2.90 * 0.43 + 3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.86 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1 + 3.05 * 1 + 4.10 * 1) = 667.4689783768894
p2 = (940.30 * 4.10 * 1 + 905.26 * 3.85 * 1 + 835.44 * 3.65 * 1 + 980.39 * 3.05 * 0.57) / max_coefficients = 788.172638436482
score = 667.4689783768894 * 0.5 + 788.172638436482 * 0.5 = 727.8208084066857
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 16 -> 9 | 718.23 -> 727.82 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 10 -> 16 | 734.10 -> 718.23 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-03 | 9 -> 10 | 737.07 -> 734.10 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 26 -> 9 | 658.03 -> 737.07 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 28 -> 26 | 656.49 -> 658.03 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-09 | 28 | 665.89 -> 656.49 |
Agari Summer Tournament 2024: 100% -> 86% |
| 2025-05-26 | 27 -> 28 | 668.33 -> 665.89 |
Autumn Agari tournament: 57% -> 43% |
| 2025-05-12 | 28 -> 27 | 653.80 -> 668.33 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 25 -> 28 | 669.80 -> 653.80 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 16 -> 25 | 696.03 -> 669.80 |
Riichi over The Volga 2025: 0% -> 100% SPB Riichi Open 2023: 43% -> 29% |