Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date Jan. 14, 2025 (latest changes Jan. 14, 2025).
39 place (581.88).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (494.25 * 3.75 * 0.43 + 495.33 * 4 * 0.57 + 235.29 * 3.05 * 1 + 456.52 * 2.10 * 1 + 803.92 * 3.05 * 1 + 822.78 * 3.65 * 1 + 431.58 * 3.85 * 1 + 449.44 * 3.75 * 1 + 173.91 * 2.80 * 1 + 903.23 * 3.10 * 1) / (3.75 * 0.43 + 4 * 0.57 + 3.05 * 1 + 2.10 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1 + 3.10 * 1) = 536.6067260885993
p2 = (822.78 * 3.65 * 1 + 903.23 * 3.10 * 1 + 803.92 * 3.05 * 1 + 449.44 * 3.75 * 1) / max_coefficients = 627.1615141955835
score = 536.6067260885993 * 0.5 + 627.1615141955835 * 0.5 = 581.8841201420914
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-07 | 53 -> 39 | 524.24 -> 581.88 |
Moscow Open Riichi Marathon: 0% -> 100% |
| 2025-01-03 | 53 | 524.26 -> 524.24 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-18 | 53 | 528.00 -> 524.26 |
Meeting in the billiard room: 14% -> 0% |
| 2024-12-11 | 52 -> 53 | 527.94 -> 528.00 |
Money can not buy tenpai: 57% -> 43% |
| 2024-12-01 | 51 -> 52 | 546.34 -> 527.94 |
Riichi never changing: 0% -> 100% |
| 2024-11-26 | 50 -> 51 | 546.34 | |
| 2024-11-05 | 51 -> 50 | 551.01 -> 546.34 | |
| 2024-11-03 | 52 -> 51 | 551.60 -> 551.01 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-18 | 52 | 555.04 -> 551.60 |
Meeting in the billiard room: 29% -> 14% |
| 2024-10-13 | 43 -> 52 | 568.56 -> 555.04 |
Moscow Riichi 2024: 0% -> 100% |