Sirotkin Dmitry
Final tournament winner 2022 Moscow Champion 2026
From Moscow, Russia
EMA: 15990155
Internal rating (RR)
Rating date Sept. 8, 2026 (latest changes Sept. 7, 2026).
8 place (772.26).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (449.44 * 3.75 * 0.14 + 903.23 * 3.10 * 0.29 + 738.10 * 2.60 * 0.43 + 490.20 * 3.05 * 0.43 + 305.08 * 3.25 * 0.43 + 714.29 * 3.50 * 0.57 + 761.19 * 4.10 * 0.71 + 133.33 * 2.45 * 0.86 + 976.74 * 3 * 0.86 + 922.08 * 3.45 * 0.86 + 400 * 3 * 1 + 891.89 * 3.40 * 1 + 1000 * 3.10 * 1 + 809.52 * 2.90 * 1 + 748.25 * 4.71 * 1 + 830.99 * 3.40 * 1) / (3.75 * 0.14 + 3.10 * 0.29 + 2.60 * 0.43 + 3.05 * 0.43 + 3.25 * 0.43 + 3.50 * 0.57 + 4.10 * 0.71 + 2.45 * 0.86 + 3 * 0.86 + 3.45 * 0.86 + 3 * 1 + 3.40 * 1 + 3.10 * 1 + 2.90 * 1 + 4.71 * 1 + 3.40 * 1) = 734.5302778739051
p2 = (748.25 * 4.71 * 1 + 1000 * 3.10 * 1 + 891.89 * 3.40 * 1 + 830.99 * 3.40 * 1) / max_coefficients = 809.9967553536665
score = 734.5302778739051 * 0.5 + 809.9967553536665 * 0.5 = 772.2635166137858
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-07 | 6 -> 8 | 773.23 -> 772.26 |
Moscow Open Riichi Marathon: 43% -> 29% |
| 2026-09-06 | 7 -> 6 | 765.48 -> 773.23 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-03 | 7 | 765.39 -> 765.48 |
Riichi over The Volga 2025: 71% -> 57% |
| 2026-09-01 | 7 | 763.15 -> 765.39 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 6 -> 7 | 777.89 -> 763.15 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 3 -> 6 | 792.75 -> 777.89 |
Ufa Championship 2026: 0% -> 100% White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 3 | 789.76 -> 792.75 |
13 bloody tiles: 86% -> 71% |
| 2026-08-13 | 3 | 787.51 -> 789.76 |
Moscow Riichi 2024: 29% -> 14% |
| 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% |