Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
18 place (541.79).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (981.98 * 4.05 * 0.14 + 906.67 * 4.20 * 0.43 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1 + 86.96 * 2.10 * 1 + 607.84 * 3.05 * 1) / (4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 4 * 1 + 2.10 * 1 + 3.05 * 1) = 522.7030934562221
p2 = (775.70 * 4 * 1 + 607.84 * 3.05 * 1 + 906.67 * 4.20 * 0.43 + 172.41 * 3.75 * 1) / max_coefficients = 560.8821705426357
score = 522.7030934562221 * 0.5 + 560.8821705426357 * 0.5 = 541.7926319994289
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 16 -> 18 | 563.27 -> 541.79 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 15 -> 16 | 589.64 -> 563.27 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 7 -> 15 | 623.71 -> 589.64 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 8 -> 7 | 625.82 -> 623.71 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 7 -> 8 | 627.10 -> 625.82 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 6 -> 7 | 640.91 -> 627.10 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 5 -> 6 | 656.42 -> 640.91 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 5 | 662.04 -> 656.42 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 4 -> 5 | 672.86 -> 662.04 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 4 | 662.61 -> 672.86 |
Agari team tournament: 14% -> 0% |