Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date March 9, 2024 (latest changes March 9, 2024).
12 place (631.17).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (955.22 * 3.50 * 0.14 + 288.29 * 4.05 * 0.29 + 933.33 * 4.20 * 0.57 + 1000 * 2.80 * 0.71 + 494.25 * 3.75 * 1 + 495.33 * 4 * 1) / (3.50 * 0.14 + 4.05 * 0.29 + 4.20 * 0.57 + 2.80 * 0.71 + 3.75 * 1 + 4 * 1) = 643.5808100944764
p2 = (933.33 * 4.20 * 0.57 + 1000 * 2.80 * 0.71 + 495.33 * 4 * 1 + 494.25 * 3.75 * 1) / max_coefficients = 618.7558812801343
score = 643.5808100944764 * 0.5 + 618.7558812801343 * 0.5 = 631.1683456873054
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 9 -> 12 | 644.12 -> 631.17 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-25 | 8 -> 9 | 644.12 | |
| 2024-02-18 | 6 -> 8 | 663.41 -> 644.12 |
Meeting in the billiard room: 86% -> 71% |
| 2024-02-12 | 8 -> 6 | 656.33 -> 663.41 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 8 | 661.12 -> 656.33 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 7 -> 8 | 671.80 -> 661.12 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 7 | 673.61 -> 671.80 |
Agari team tournament: 14% -> 0% |
| 2023-12-18 | 6 -> 7 | 691.41 -> 673.61 |
Meeting in the billiard room: 100% -> 86% |
| 2023-12-12 | 8 -> 6 | 685.06 -> 691.41 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 9 -> 8 | 683.25 -> 685.06 |
Saint Petersburg Open 2021: 14% -> 0% |