Sirotkin Dmitry
Final tournament winner 2022 Moscow Champion 2026
From Moscow, Russia
EMA: 15990155
Internal rating (RR)
Rating date June 2, 2026 (latest changes June 2, 2026).
5 place (788.69).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (803.92 * 3.05 * 0.14 + 822.78 * 3.65 * 0.29 + 431.58 * 3.85 * 0.29 + 449.44 * 3.75 * 0.43 + 903.23 * 3.10 * 0.57 + 738.10 * 2.60 * 0.57 + 490.20 * 3.05 * 0.57 + 305.08 * 3.25 * 0.71 + 714.29 * 3.50 * 0.86 + 761.19 * 4.10 * 1 + 976.74 * 3 * 1 + 922.08 * 3.45 * 1 + 400 * 3 * 1 + 891.89 * 3.40 * 1 + 1000 * 3.10 * 1 + 809.52 * 2.90 * 1) / (3.05 * 0.14 + 3.65 * 0.29 + 3.85 * 0.29 + 3.75 * 0.43 + 3.10 * 0.57 + 2.60 * 0.57 + 3.05 * 0.57 + 3.25 * 0.71 + 3.50 * 0.86 + 4.10 * 1 + 3 * 1 + 3.45 * 1 + 3 * 1 + 3.40 * 1 + 3.10 * 1 + 2.90 * 1) = 740.0386897801528
p2 = (922.08 * 3.45 * 1 + 761.19 * 4.10 * 1 + 1000 * 3.10 * 1 + 891.89 * 3.40 * 1) / max_coefficients = 837.3400673400673
score = 740.0386897801528 * 0.5 + 837.3400673400673 * 0.5 = 788.6893785601101
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-02 | 5 | 787.25 -> 788.69 |
Agari Winter Tournament 2025: 71% -> 57% |
| 2026-05-26 | 5 | 787.26 -> 787.25 |
Riichi On Ice: 71% -> 57% |
| 2026-05-17 | 6 -> 5 | 787.26 | |
| 2026-05-12 | 7 -> 6 | 783.16 -> 787.26 |
X Russian Championship: 14% -> 0% |
| 2026-05-07 | 6 -> 7 | 784.14 -> 783.16 |
Moscow Open Riichi Marathon: 71% -> 57% |
| 2026-05-03 | 6 | 778.15 -> 784.14 |
Sturgeon in tempai: 0% -> 100% Riichi over The Volga 2025: 100% -> 86% |
| 2026-05-01 | 6 | 776.00 -> 778.15 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-16 | 6 | 773.46 -> 776.00 |
White Wolf Cup: 86% -> 71% |
| 2026-04-13 | 7 -> 6 | 771.62 -> 773.46 |
Moscow Riichi 2024: 57% -> 43% |
| 2026-04-09 | 7 | 772.13 -> 771.62 |
Agari Summer Tournament 2024: 29% -> 14% |