Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).
42 place (622.22).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (741.94 * 2.40 * 0.57 + 686.57 * 4.10 * 0.71 + 371.43 * 2.50 * 1 + 741.26 * 4.71 * 1 + 870.97 * 2.40 * 1) / (2.40 * 0.57 + 4.10 * 0.71 + 2.50 * 1 + 4.71 * 1 + 2.40 * 1) = 685.7215569529525
p2 = (741.26 * 4.71 * 1 + 870.97 * 2.40 * 1 + 686.57 * 4.10 * 0.71 + 741.94 * 2.40 * 0.57) / max_coefficients = 558.715768981181
score = 685.7215569529525 * 0.5 + 558.715768981181 * 0.5 = 622.2186629670667
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-31 | 42 | 621.32 -> 622.22 | |
| 2026-08-16 | 41 -> 42 | 621.32 | |
| 2026-08-15 | 38 -> 41 | 632.20 -> 621.32 |
13 bloody tiles: 86% -> 71% |
| 2026-08-04 | 39 -> 38 | 632.20 | |
| 2026-08-03 | 40 -> 39 | 632.20 | |
| 2026-08-02 | 38 -> 40 | 632.20 | |
| 2026-07-25 | 37 -> 38 | 632.20 | |
| 2026-07-14 | 36 -> 37 | 634.70 -> 632.20 |
Guardian of the Winds: 14% -> 0% |
| 2026-07-12 | 58 -> 36 | 580.10 -> 634.70 |
Poplar fluff. Mahjong. July.: 0% -> 100% |
| 2026-07-11 | 57 -> 58 | 580.10 |