Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date March 22, 2026 (latest changes March 21, 2026).
9 place (740.17).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (456.52 * 2.10 * 0.14 + 252.34 * 4.60 * 0.14 + 803.92 * 3.05 * 0.29 + 822.78 * 3.65 * 0.43 + 431.58 * 3.85 * 0.43 + 449.44 * 3.75 * 0.57 + 173.91 * 2.80 * 0.71 + 903.23 * 3.10 * 0.71 + 738.10 * 2.60 * 0.86 + 490.20 * 3.05 * 0.86 + 305.08 * 3.25 * 0.86 + 714.29 * 3.50 * 1 + 761.19 * 4.10 * 1 + 976.74 * 3 * 1 + 922.08 * 3.45 * 1 + 400 * 3 * 1 + 891.89 * 3.40 * 1) / (2.10 * 0.14 + 4.60 * 0.14 + 3.05 * 0.29 + 3.65 * 0.43 + 3.85 * 0.43 + 3.75 * 0.57 + 2.80 * 0.71 + 3.10 * 0.71 + 2.60 * 0.86 + 3.05 * 0.86 + 3.25 * 0.86 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 3 * 1 + 3.40 * 1) = 659.9634612401013
p2 = (922.08 * 3.45 * 1 + 761.19 * 4.10 * 1 + 891.89 * 3.40 * 1 + 976.74 * 3 * 1) / max_coefficients = 820.3832775919733
score = 659.9634612401013 * 0.5 + 820.3832775919733 * 0.5 = 740.1733694160373
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-12 | 9 | 736.84 -> 740.17 |
X Russian Championship: 29% -> 14% |
| 2026-03-10 | 9 | 747.26 -> 736.84 |
Agari Spring Tournament 2024: 14% -> 0% |
| 2026-03-07 | 9 | 748.59 -> 747.26 |
Moscow Open Riichi Marathon: 86% -> 71% |
| 2026-03-01 | 9 | 746.85 -> 748.59 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-23 | 12 -> 9 | 705.87 -> 746.85 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-16 | 14 -> 12 | 704.77 -> 705.87 |
White Wolf Cup: 100% -> 86% |
| 2026-02-13 | 14 | 703.56 -> 704.77 |
Moscow Riichi 2024: 71% -> 57% |
| 2026-02-09 | 14 | 704.57 -> 703.56 |
Agari Summer Tournament 2024: 43% -> 29% |
| 2026-02-04 | 13 -> 14 | 705.87 -> 704.57 |
Riichi over Volga: 57% -> 43% |
| 2026-02-02 | 15 -> 13 | 705.13 -> 705.87 |
Agari Winter Tournament 2025: 100% -> 86% |