Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date July 21, 2026 (latest changes July 18, 2026).
37 place (632.20).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (741.94 * 2.40 * 0.57 + 686.57 * 4.10 * 0.86 + 371.43 * 2.50 * 1 + 741.26 * 4.71 * 1 + 870.97 * 2.40 * 1) / (2.40 * 0.57 + 4.10 * 0.86 + 2.50 * 1 + 4.71 * 1 + 2.40 * 1) = 685.7556188243639
p2 = (741.26 * 4.71 * 1 + 686.57 * 4.10 * 0.86 + 870.97 * 2.40 * 1 + 741.94 * 2.40 * 0.57) / max_coefficients = 578.6385225223142
score = 685.7556188243639 * 0.5 + 578.6385225223142 * 0.5 = 632.1970706733391
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2026-07-07 | 56 -> 57 | 580.10 | |
| 2026-07-02 | 55 -> 56 | 589.41 -> 580.10 |
Riichi Maslenitsa (shrovetide): 71% -> 57% |
| 2026-06-15 | 50 -> 55 | 593.04 -> 589.41 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 88 -> 50 | 456.73 -> 593.04 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 89 -> 88 | 456.73 | |
| 2026-06-09 | 90 -> 89 | 456.73 | |
| 2026-06-08 | 91 -> 90 | 456.73 |