Leontiev Alexey
From Moscow, Russia
EMA: 15990198
Common russian riichi rating (CRR)
Rating date Sept. 1, 2026 (latest changes Sept. 1, 2026).
77 place (533.20).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (685.39 * 3.75 * 0.14 + 913.04 * 2.80 * 0.29 + 414.29 * 3.50 * 0.71 + 754.39 * 3.90 * 1 + 838.71 * 3 * 1 + 633.33 * 3 * 1 + 436.36 * 3 * 1 + 400 * 3.10 * 1 + 69.93 * 4.71 * 1) / (3.75 * 0.14 + 2.80 * 0.29 + 3.50 * 0.71 + 3.90 * 1 + 3 * 1 + 3 * 1 + 3 * 1 + 3.10 * 1 + 4.71 * 1) = 503.95942130422276
p2 = (754.39 * 3.90 * 1 + 838.71 * 3 * 1 + 633.33 * 3 * 1 + 436.36 * 3 * 1) / max_coefficients = 562.4484101232965
score = 503.95942130422276 * 0.5 + 562.4484101232965 * 0.5 = 533.2039157137597
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 78 -> 77 | 533.20 | |
| 2026-08-31 | 78 | 532.29 -> 533.20 | |
| 2026-08-30 | 77 -> 78 | 532.29 | |
| 2026-08-16 | 70 -> 77 | 532.29 | |
| 2026-08-15 | 73 -> 70 | 530.24 -> 532.29 | |
| 2026-08-13 | 73 | 532.18 -> 530.24 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-03 | 72 -> 73 | 532.18 | |
| 2026-08-01 | 72 | 535.36 -> 532.18 |
Riichi never changing: 43% -> 29% |
| 2026-07-25 | 73 -> 72 | 535.36 | |
| 2026-07-13 | 74 -> 73 | 535.36 |