Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
4 place (698.16).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (739.13 * 2.80 * 0.71 + 746.27 * 3.50 * 0.14 + 981.98 * 4.05 * 0.29 + 906.67 * 4.20 * 0.57 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1 + 871.79 * 2.90 * 1) / (2.80 * 0.71 + 3.50 * 0.14 + 4.05 * 0.29 + 4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 2.90 * 1) = 684.8101906039658
p2 = (775.70 * 4 * 1 + 871.79 * 2.90 * 1 + 906.67 * 4.20 * 0.57 + 739.13 * 2.80 * 0.71) / max_coefficients = 711.5153549304667
score = 684.8101906039658 * 0.5 + 711.5153549304667 * 0.5 = 698.1627727672162
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 4 | 706.30 -> 698.16 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-25 | 5 -> 4 | 706.30 | |
| 2024-02-18 | 3 -> 5 | 717.65 -> 706.30 |
Meeting in the billiard room: 86% -> 71% |
| 2024-02-12 | 3 | 722.22 -> 717.65 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 4 -> 3 | 722.79 -> 722.22 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 4 | 729.40 -> 722.79 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 4 | 721.47 -> 729.40 |
Agari team tournament: 14% -> 0% |
| 2023-12-18 | 4 | 732.29 -> 721.47 |
Meeting in the billiard room: 100% -> 86% |
| 2023-12-12 | 3 -> 4 | 743.40 -> 732.29 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 4 -> 3 | 741.90 -> 743.40 |
Saint Petersburg Open 2021: 14% -> 0% |