Chernykh Anastasiya
From Moscow, Russia
EMA: 15990108
Internal rating (RR)
Rating date Jan. 7, 2025 (latest changes Jan. 7, 2025).
43 place (537.00).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (822.43 * 4 * 0.57 + 642.11 * 3.85 * 1 + 882.35 * 3.05 * 1 + 0 + 0) / (4 * 0.57 + 3.85 * 1 + 3.05 * 1 + 1 + 1) = 629.6524102417394
p2 = (882.35 * 3.05 * 1 + 642.11 * 3.85 * 1 + 822.43 * 4 * 0.57) / max_coefficients = 444.35583596214514
score = 629.6524102417394 * 0.5 + 444.35583596214514 * 0.5 = 537.0041231019422
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-07 | 42 -> 43 | 537.00 | |
| 2025-01-03 | 41 -> 42 | 556.52 -> 537.00 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 40 -> 41 | 556.52 | |
| 2024-11-06 | 41 -> 40 | 556.52 | |
| 2024-11-03 | 37 -> 41 | 575.59 -> 556.52 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 33 -> 37 | 580.80 -> 575.59 | |
| 2024-09-03 | 31 -> 33 | 590.15 -> 580.80 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 48 -> 31 | 493.01 -> 590.15 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 48 | 490.94 -> 493.01 | |
| 2024-08-04 | 43 -> 48 | 498.74 -> 490.94 |