Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
6 place (640.91).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.29) = 11.907145000000002
p1 = (746.27 * 3.50 * 0.14 + 981.98 * 4.05 * 0.29 + 906.67 * 4.20 * 0.71 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1) / (3.50 * 0.14 + 4.05 * 0.29 + 4.20 * 0.71 + 3.75 * 1 + 4 * 1) = 643.0805425356615
p2 = (775.70 * 4 * 1 + 906.67 * 4.20 * 0.71 + 981.98 * 4.05 * 0.29 + 172.41 * 3.75 * 1) / max_coefficients = 638.7458958465694
score = 643.0805425356615 * 0.5 + 638.7458958465694 * 0.5 = 640.9132191911154
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-12-12 | 4 | 675.46 -> 662.61 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 4 | 674.03 -> 675.46 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-20 | 4 | 689.01 -> 674.03 |
Tenpai can't buy happiness: 43% -> 29% |
| 2023-11-06 | 4 | 697.42 -> 689.01 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-10-19 | 5 -> 4 | 688.74 -> 697.42 |
Agari team tournament: 29% -> 14% |
| 2023-10-12 | 4 -> 5 | 699.14 -> 688.74 |
Moscow Riichi 2022: 71% -> 57% |