Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date June 15, 2025 (latest changes June 15, 2025).
56 place (571.68).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (1000 * 2.10 * 0.29 + 686.57 * 4.10 * 1 + 481.48 * 2.30 * 0.43 + 740.74 * 2.30 * 0.71 + 205.61 * 4.60 * 0.86 + 872.34 * 2.80 * 1 + 741.94 * 2.40 * 1) / (2.10 * 0.29 + 4.10 * 1 + 2.30 * 0.43 + 2.30 * 0.71 + 4.60 * 0.86 + 2.80 * 1 + 2.40 * 1) = 615.6362885746723
p2 = (686.57 * 4.10 * 1 + 872.34 * 2.80 * 1 + 741.94 * 2.40 * 1 + 740.74 * 2.30 * 0.71) / max_coefficients = 527.7292992368306
score = 615.6362885746723 * 0.5 + 527.7292992368306 * 0.5 = 571.6827939057514
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 70 -> 56 | 501.78 -> 571.68 |
13 bloody tiles: 0% -> 100% |
| 2025-06-14 | 69 -> 70 | 501.78 | |
| 2025-06-11 | 70 -> 69 | 501.18 -> 501.78 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-09 | 71 -> 70 | 501.18 | |
| 2025-06-08 | 70 -> 71 | 501.18 | |
| 2025-05-30 | 71 -> 70 | 501.18 | |
| 2025-05-12 | 74 -> 71 | 487.58 -> 501.18 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 77 -> 74 | 487.58 | |
| 2025-05-05 | 77 | 486.50 -> 487.58 |
Finding Dora: 57% -> 43% |
| 2025-05-03 | 74 -> 77 | 486.50 |