Sirotkin Dmitry
Final tournament winner 2022 Moscow Champion 2026
From Moscow, Russia
EMA: 15990155
Internal rating (RR)
Rating date Aug. 11, 2026 (latest changes Aug. 8, 2026).
3 place (787.51).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (431.58 * 3.85 * 0.14 + 449.44 * 3.75 * 0.29 + 903.23 * 3.10 * 0.43 + 738.10 * 2.60 * 0.43 + 490.20 * 3.05 * 0.43 + 305.08 * 3.25 * 0.57 + 714.29 * 3.50 * 0.71 + 761.19 * 4.10 * 0.86 + 976.74 * 3 * 0.86 + 922.08 * 3.45 * 1 + 400 * 3 * 1 + 891.89 * 3.40 * 1 + 1000 * 3.10 * 1 + 809.52 * 2.90 * 1 + 748.25 * 4.71 * 1) / (3.85 * 0.14 + 3.75 * 0.29 + 3.10 * 0.43 + 2.60 * 0.43 + 3.05 * 0.43 + 3.25 * 0.57 + 3.50 * 0.71 + 4.10 * 0.86 + 3 * 0.86 + 3.45 * 1 + 3 * 1 + 3.40 * 1 + 3.10 * 1 + 2.90 * 1 + 4.71 * 1) = 750.7102542179506
p2 = (748.25 * 4.71 * 1 + 922.08 * 3.45 * 1 + 1000 * 3.10 * 1 + 891.89 * 3.40 * 1) / max_coefficients = 824.3084195501382
score = 750.7102542179506 * 0.5 + 824.3084195501382 * 0.5 = 787.5093368840444
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-04 | 3 | 788.02 -> 787.51 |
Riichi over Volga: 14% -> 0% |
| 2026-08-03 | 3 | 789.31 -> 788.02 |
Two roosters and Chuckles: 100% -> 86% |
| 2026-08-02 | 3 | 787.79 -> 789.31 |
Agari Winter Tournament 2025: 57% -> 43% |
| 2026-07-26 | 3 | 787.72 -> 787.79 |
Riichi On Ice: 57% -> 43% |
| 2026-07-07 | 3 | 788.60 -> 787.72 |
Moscow Open Riichi Marathon: 57% -> 43% |
| 2026-07-03 | 4 -> 3 | 788.35 -> 788.60 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-07-01 | 4 | 786.12 -> 788.35 |
SPB Riichi Open 2024: 29% -> 14% |
| 2026-06-16 | 5 -> 4 | 783.56 -> 786.12 |
White Wolf Cup: 71% -> 57% |
| 2026-06-15 | 5 | 771.49 -> 783.56 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 5 | 789.87 -> 771.49 |
XII Russian Championship: 0% -> 100% |