Leontiev Alexey
From Moscow, Russia
EMA: 15990198
Common russian riichi rating (CRR)
Rating date Sept. 18, 2025 (latest changes Sept. 15, 2025).
25 place (680.59).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (901.96 * 3.05 * 0.43 + 841.12 * 4.60 * 0.57 + 882.35 * 3.05 * 0.71 + 685.39 * 3.75 * 1 + 913.04 * 2.80 * 1 + 414.29 * 3.50 * 1) / (3.05 * 0.43 + 4.60 * 0.57 + 3.05 * 0.71 + 3.75 * 1 + 2.80 * 1 + 3.50 * 1) = 735.5079423556315
p2 = (685.39 * 3.75 * 1 + 913.04 * 2.80 * 1 + 841.12 * 4.60 * 0.57 + 882.35 * 3.05 * 0.71) / max_coefficients = 625.6682432432432
score = 735.5079423556315 * 0.5 + 625.6682432432432 * 0.5 = 680.5880927994374
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-09-01 | 23 | 698.16 -> 706.89 | |
| 2025-08-31 | 19 -> 23 | 698.16 | |
| 2025-08-09 | 16 -> 19 | 712.37 -> 698.16 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 16 | 709.10 -> 712.37 | |
| 2025-08-03 | 15 -> 16 | 709.10 | |
| 2025-07-14 | 16 -> 15 | 709.10 | |
| 2025-07-12 | 13 -> 16 | 722.06 -> 709.10 |
X Russian Championship: 86% -> 71% |