Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
6 place (699.61).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (533.33 * 3.45 * 0.14 + 808.51 * 3.10 * 0.29 + 955.22 * 3.50 * 0.43 + 288.29 * 4.05 * 0.57 + 933.33 * 4.20 * 1 + 1000 * 2.80 * 1 + 494.25 * 3.75 * 1 + 495.33 * 4 * 1) / (3.45 * 0.14 + 3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.57 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1 + 4 * 1) = 683.6427618889787
p2 = (933.33 * 4.20 * 1 + 1000 * 2.80 * 1 + 495.33 * 4 * 1 + 494.25 * 3.75 * 1) / max_coefficients = 715.5769491525424
score = 683.6427618889787 * 0.5 + 715.5769491525424 * 0.5 = 699.6098555207606
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-10-12 | 7 -> 6 | 691.80 -> 699.61 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 7 | 690.16 -> 691.80 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 6 -> 7 | 695.40 -> 690.16 |
Tenpai can't buy happiness: 57% -> 43% |
| 2023-09-03 | 2 -> 6 | 742.78 -> 695.40 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-19 | 2 | 743.90 -> 742.78 |
Agari team tournament: 43% -> 29% |
| 2023-08-12 | 3 -> 2 | 721.55 -> 743.90 |
Moscow Riichi 2022: 86% -> 71% |
| 2023-07-28 | 2 -> 3 | 719.32 -> 721.55 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 2 | 739.36 -> 719.32 |
Tenpai can't buy happiness: 71% -> 57% |
| 2023-06-19 | 2 | 740.48 -> 739.36 |
Agari team tournament: 57% -> 43% |
| 2023-06-12 | 2 | 719.47 -> 740.48 |
Moscow Riichi 2022: 100% -> 86% |