Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).
5 place (659.95).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (573.33 * 3.45 * 0.29 + 746.27 * 3.50 * 0.57 + 981.98 * 4.05 * 0.71 + 0 * 3.10 * 0.29 + 172.41 * 3.75 * 1 + 906.67 * 4.20 * 1) / (3.45 * 0.29 + 3.50 * 0.57 + 4.05 * 0.71 + 3.10 * 0.29 + 3.75 * 1 + 4.20 * 1) = 635.6405228980267
p2 = (906.67 * 4.20 * 1 + 981.98 * 4.05 * 0.71 + 746.27 * 3.50 * 0.57 + 172.41 * 3.75 * 1) / max_coefficients = 684.2580851627933
score = 635.6405228980267 * 0.5 + 684.2580851627933 * 0.5 = 659.9493040304101
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-19 | 7 -> 5 | 650.66 -> 659.95 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 4 -> 7 | 663.78 -> 650.66 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 4 | 670.41 -> 663.78 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 4 | 672.78 -> 670.41 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-19 | 9 -> 4 | 683.76 -> 672.78 |
Agari team tournament: 57% -> 43% |
2021-02-01 | 14 -> 9 | 719.01 -> 683.76 | |
2020-02-01 | 14 | 719.01 |