Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).
5 place (715.90).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (739.13 * 2.80 * 1 + 573.33 * 3.45 * 0.14 + 0 * 3.10 * 0.14 + 746.27 * 3.50 * 0.43 + 981.98 * 4.05 * 0.57 + 906.67 * 4.20 * 0.86 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1) / (2.80 * 1 + 3.45 * 0.14 + 3.10 * 0.14 + 3.50 * 0.43 + 4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1) = 674.9900860234226
p2 = (906.67 * 4.20 * 0.86 + 775.70 * 4 * 1 + 981.98 * 4.05 * 0.57 + 739.13 * 2.80 * 1) / max_coefficients = 756.8068003691919
score = 674.9900860234226 * 0.5 + 756.8068003691919 * 0.5 = 715.8984431963072
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-06 | 5 | 722.51 -> 715.90 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-11-05 | 4 -> 5 | 722.51 | |
| 2023-10-19 | 4 | 714.94 -> 722.51 |
Agari team tournament: 29% -> 14% |
| 2023-10-12 | 4 | 736.14 -> 714.94 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 4 | 734.94 -> 736.14 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 4 | 735.78 -> 734.94 |
Tenpai can't buy happiness: 57% -> 43% |
| 2023-09-03 | 4 | 700.31 -> 735.78 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-19 | 5 -> 4 | 692.27 -> 700.31 |
Agari team tournament: 43% -> 29% |
| 2023-08-12 | 4 -> 5 | 702.41 -> 692.27 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-28 | 4 | 701.46 -> 702.41 |
Saint Petersburg Open 2021: 43% -> 29% |