Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).
4 place (675.46).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (0 * 3.10 * 0.14 + 746.27 * 3.50 * 0.29 + 981.98 * 4.05 * 0.57 + 906.67 * 4.20 * 0.86 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1) / (3.10 * 0.14 + 3.50 * 0.29 + 4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1) = 664.0588127435554
p2 = (906.67 * 4.20 * 0.86 + 775.70 * 4 * 1 + 981.98 * 4.05 * 0.57 + 746.27 * 3.50 * 0.29) / max_coefficients = 686.8667204820846
score = 664.0588127435554 * 0.5 + 686.8667204820846 * 0.5 = 675.46276661282
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-28 | 4 | 674.03 -> 675.46 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-20 | 4 | 689.01 -> 674.03 |
Tenpai can't buy happiness: 43% -> 29% |
| 2023-11-06 | 4 | 697.42 -> 689.01 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-10-19 | 5 -> 4 | 688.74 -> 697.42 |
Agari team tournament: 29% -> 14% |
| 2023-10-12 | 4 -> 5 | 699.14 -> 688.74 |
Moscow Riichi 2022: 71% -> 57% |
| 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% |