Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date March 30, 2025 (latest changes March 30, 2025).
41 place (586.93).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (449.44 * 3.75 * 1 + 494.25 * 3.75 * 0.29 + 495.33 * 4 * 0.43 + 235.29 * 3.05 * 0.86 + 456.52 * 2.10 * 0.86 + 803.92 * 3.05 * 1 + 822.78 * 3.65 * 1 + 431.58 * 3.85 * 1 + 173.91 * 2.80 * 1 + 903.23 * 3.10 * 1 + 738.10 * 2.60 * 1 + 490.20 * 3.05 * 1 + 305.08 * 3.25 * 1) / (3.75 * 1 + 3.75 * 0.29 + 4 * 0.43 + 3.05 * 0.86 + 2.10 * 0.86 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 2.80 * 1 + 3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1) = 531.9651546673482
p2 = (822.78 * 3.65 * 1 + 903.23 * 3.10 * 1 + 803.92 * 3.05 * 1 + 738.10 * 2.60 * 1) / max_coefficients = 641.9034700315457
score = 531.9651546673482 * 0.5 + 641.9034700315457 * 0.5 = 586.9343123494469
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-30 | 42 -> 41 | 586.63 -> 586.93 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-10 | 43 -> 42 | 584.88 -> 586.63 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 43 | 584.64 -> 584.88 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-02-25 | 44 -> 43 | 584.64 | |
| 2025-02-16 | 41 -> 44 | 595.15 -> 584.64 |
White Wolf Cup: 0% -> 100% |
| 2025-02-11 | 41 | 594.73 -> 595.15 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 37 -> 41 | 597.48 -> 594.73 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 39 -> 37 | 581.88 -> 597.48 |
Riichi On Ice: 0% -> 100% |
| 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% |