Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).
4 place (699.14).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (573.33 * 3.45 * 0.14 + 0 * 3.10 * 0.29 + 746.27 * 3.50 * 0.43 + 981.98 * 4.05 * 0.71 + 906.67 * 4.20 * 1 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1) / (3.45 * 0.14 + 3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 665.8665172452514
p2 = (906.67 * 4.20 * 1 + 775.70 * 4 * 1 + 981.98 * 4.05 * 0.71 + 746.27 * 3.50 * 0.43) / max_coefficients = 732.4080209311985
score = 665.8665172452514 * 0.5 + 732.4080209311985 * 0.5 = 699.1372690882249
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-28 | 4 | 697.89 -> 699.14 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 4 | 711.56 -> 697.89 |
Tenpai can't buy happiness: 57% -> 43% |
| 2023-09-03 | 5 -> 4 | 659.95 -> 711.56 |
SPB Riichi Open 2023: 0% -> 100% |
| 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 | 5 -> 4 | 664.63 -> 672.78 |
Agari team tournament: 57% -> 43% |
| 2023-06-12 | 4 -> 5 | 675.96 -> 664.63 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 2 -> 4 | 794.17 -> 675.96 |
Money can not buy tenpai: 0% -> 100% |