Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date March 20, 2024 (latest changes March 20, 2024).
6 place (688.10).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (981.98 * 4.05 * 0.29 + 906.67 * 4.20 * 0.57 + 739.13 * 2.80 * 0.71 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1 + 871.79 * 2.90 * 1 + 607.84 * 3.05 * 1) / (4.05 * 0.29 + 4.20 * 0.57 + 2.80 * 0.71 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 3.05 * 1) = 671.0233496849588
p2 = (775.70 * 4 * 1 + 871.79 * 2.90 * 1 + 906.67 * 4.20 * 0.57 + 607.84 * 3.05 * 1) / max_coefficients = 705.1693430656934
score = 671.0233496849588 * 0.5 + 705.1693430656934 * 0.5 = 688.0963463753261
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-20 | 6 | 689.05 -> 688.10 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 4 -> 6 | 698.16 -> 689.05 |
Agari Spring Tournament 2024: 0% -> 100% |
| 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% |