Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 14, 2025 (latest changes Sept. 14, 2025).
61 place (551.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (481.48 * 2.30 * 0.14 + 740.74 * 2.30 * 0.43 + 205.61 * 4.60 * 0.57 + 872.34 * 2.80 * 0.71 + 741.94 * 2.40 * 1 + 686.57 * 4.10 * 1) / (2.30 * 0.14 + 2.30 * 0.43 + 4.60 * 0.57 + 2.80 * 0.71 + 2.40 * 1 + 4.10 * 1) = 624.3858962479096
p2 = (686.57 * 4.10 * 1 + 741.94 * 2.40 * 1 + 872.34 * 2.80 * 0.71 + 740.74 * 2.30 * 0.43) / max_coefficients = 477.7371621621622
score = 624.3858962479096 * 0.5 + 477.7371621621622 * 0.5 = 551.0615292050359
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-14 | 57 -> 61 | 566.70 -> 551.06 |
Guardian of the Winds: 86% -> 71% |
| 2025-09-12 | 62 -> 57 | 556.32 -> 566.70 |
X Russian Championship: 71% -> 57% |
| 2025-09-05 | 63 -> 62 | 554.78 -> 556.32 |
Finding Dora: 29% -> 14% |
| 2025-09-03 | 64 -> 63 | 554.78 | |
| 2025-09-01 | 63 -> 64 | 548.18 -> 554.78 | |
| 2025-08-31 | 59 -> 63 | 548.18 | |
| 2025-08-26 | 58 -> 59 | 552.34 -> 548.18 | |
| 2025-08-25 | 57 -> 58 | 561.76 -> 552.34 |
Chasing Kan: 57% -> 43% |
| 2025-08-22 | 56 -> 57 | 561.76 | |
| 2025-08-04 | 56 | 559.29 -> 561.76 |