Leontiev Alexey
From Moscow, Russia
EMA: 15990198
Common russian riichi rating (CRR)
Rating date Nov. 12, 2025 (latest changes Nov. 12, 2025).
23 place (677.86).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (901.96 * 3.05 * 0.29 + 841.12 * 4.60 * 0.43 + 882.35 * 3.05 * 0.57 + 685.39 * 3.75 * 0.86 + 913.04 * 2.80 * 1 + 414.29 * 3.50 * 1 + 754.39 * 3.90 * 1) / (3.05 * 0.29 + 4.60 * 0.43 + 3.05 * 0.57 + 3.75 * 0.86 + 2.80 * 1 + 3.50 * 1 + 3.90 * 1) = 729.6503746699971
p2 = (754.39 * 3.90 * 1 + 913.04 * 2.80 * 1 + 685.39 * 3.75 * 0.86 + 841.12 * 4.60 * 0.43) / max_coefficients = 626.0795986622073
score = 729.6503746699971 * 0.5 + 626.0795986622073 * 0.5 = 677.8649866661021
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-12 | 19 -> 23 | 698.31 -> 677.86 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 18 -> 19 | 700.23 -> 698.31 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 27 -> 18 | 664.02 -> 700.23 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 30 -> 27 | 662.98 -> 664.02 | |
| 2025-10-13 | 25 -> 30 | 665.56 -> 662.98 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 23 -> 25 | 680.59 -> 665.56 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 25 -> 23 | 680.59 | |
| 2025-09-12 | 22 -> 25 | 701.33 -> 680.59 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 22 | 703.38 -> 701.33 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 23 -> 22 | 706.89 -> 703.38 |
SPB Riichi Open 2023: 14% -> 0% |