Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
2 place (743.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999
p1 = (1000 * 2.80 * 1 + 533.33 * 3.45 * 0.29 + 808.51 * 3.10 * 0.43 + 955.22 * 3.50 * 0.57 + 288.29 * 4.05 * 0.71 + 933.33 * 4.20 * 1 + 494.25 * 3.75 * 1) / (2.80 * 1 + 3.45 * 0.29 + 3.10 * 0.43 + 3.50 * 0.57 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1) = 719.3639967166265
p2 = (933.33 * 4.20 * 1 + 1000 * 2.80 * 1 + 955.22 * 3.50 * 0.57 + 494.25 * 3.75 * 1) / max_coefficients = 768.4428144571744
score = 719.3639967166265 * 0.5 + 768.4428144571744 * 0.5 = 743.9034055869005
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2023-06-11 | 3 -> 2 | 760.85 -> 719.47 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 3 | 757.86 -> 760.85 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 3 | 764.06 -> 757.86 |
Tenpai can't buy happiness: 86% -> 71% |
| 2023-05-05 | 15 -> 3 | 648.37 -> 764.06 | |
| 2021-02-01 | 26 -> 15 | 663.65 -> 648.37 |