Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
4 place (735.78).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (739.13 * 2.80 * 1 + 573.33 * 3.45 * 0.29 + 0 * 3.10 * 0.29 + 746.27 * 3.50 * 0.57 + 981.98 * 4.05 * 0.71 + 906.67 * 4.20 * 1 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1) / (2.80 * 1 + 3.45 * 0.29 + 3.10 * 0.29 + 3.50 * 0.57 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 675.1500756478874
p2 = (906.67 * 4.20 * 1 + 775.70 * 4 * 1 + 981.98 * 4.05 * 0.71 + 739.13 * 2.80 * 1) / max_coefficients = 796.4176848011324
score = 675.1500756478874 * 0.5 + 796.4176848011324 * 0.5 = 735.7838802245099
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-07-20 | 3 -> 4 | 715.88 -> 701.46 |
Tenpai can't buy happiness: 71% -> 57% |
| 2023-06-19 | 4 -> 3 | 708.70 -> 715.88 |
Agari team tournament: 57% -> 43% |
| 2023-06-12 | 3 -> 4 | 717.48 -> 708.70 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 1 -> 3 | 806.53 -> 717.48 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 1 | 804.04 -> 806.53 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 2 -> 1 | 801.97 -> 804.04 |
Tenpai can't buy happiness: 86% -> 71% |