Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date April 17, 2024 (latest changes April 17, 2024).
9 place (654.25).
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 * 0.14 + 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 + 86.96 * 2.10 * 1) / (4.05 * 0.14 + 4.20 * 0.57 + 2.80 * 0.71 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 3.05 * 1 + 2.10 * 1) = 603.3395311970236
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 = 603.3395311970236 * 0.5 + 705.1693430656934 * 0.5 = 654.2544371313585
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 8 -> 9 | 659.38 -> 654.25 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 6 -> 8 | 688.10 -> 659.38 |
Seihoku spring tournament 2024: 0% -> 100% |
| 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% |