Shpilman Anna
From Saint Petersburg, Russia
EMA: 15990070
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
100 place (150.23).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (153.15 * 4.05 * 0.14 + 336.45 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.14 + 4 * 1 + 1 + 1 + 1) = 189.2701232196096
p2 = (336.45 * 4 * 1 + 153.15 * 4.05 * 0.14) / max_coefficients = 111.19612403100776
score = 189.2701232196096 * 0.5 + 111.19612403100776 * 0.5 = 150.23312362530868
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 102 -> 100 | 148.97 -> 150.23 | |
| 2024-04-12 | 102 | 151.04 -> 148.97 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 89 -> 102 | 151.04 | |
| 2024-03-20 | 97 -> 89 | 151.04 | |
| 2024-03-10 | 91 -> 97 | 160.70 -> 151.04 | |
| 2024-03-06 | 91 | 157.31 -> 160.70 | |
| 2024-02-12 | 94 -> 91 | 156.78 -> 157.31 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 96 -> 94 | 156.78 | |
| 2024-01-06 | 96 | 153.82 -> 156.78 | |
| 2023-12-19 | 107 -> 96 | 153.82 |