Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 16, 2025 (latest changes Nov. 15, 2025).
60 place (537.45).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (740.74 * 2.30 * 0.29 + 205.61 * 4.60 * 0.43 + 872.34 * 2.80 * 0.57 + 741.94 * 2.40 * 1 + 686.57 * 4.10 * 1) / (2.30 * 0.29 + 4.60 * 0.43 + 2.80 * 0.57 + 2.40 * 1 + 4.10 * 1) = 641.5912995090688
p2 = (686.57 * 4.10 * 1 + 741.94 * 2.40 * 1 + 872.34 * 2.80 * 0.57 + 740.74 * 2.30 * 0.29) / max_coefficients = 433.3110367892977
score = 641.5912995090688 * 0.5 + 433.3110367892977 * 0.5 = 537.4511681491832
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-15 | 61 -> 60 | 537.45 | |
| 2025-11-14 | 53 -> 61 | 553.27 -> 537.45 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-12 | 61 -> 53 | 542.69 -> 553.27 |
X Russian Championship: 57% -> 43% |
| 2025-11-04 | 59 -> 61 | 551.20 -> 542.69 | |
| 2025-11-01 | 60 -> 59 | 550.36 -> 551.20 | |
| 2025-10-25 | 58 -> 60 | 558.56 -> 550.36 |
Chasing Kan: 43% -> 29% |
| 2025-10-13 | 60 -> 58 | 551.06 -> 558.56 | |
| 2025-10-04 | 61 -> 60 | 551.06 | |
| 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% |