Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Internal rating (RR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
10 place (744.01).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (235.29 * 3.05 * 0.29 + 456.52 * 2.10 * 0.29 + 252.34 * 4.60 * 0.43 + 803.92 * 3.05 * 0.43 + 822.78 * 3.65 * 0.57 + 431.58 * 3.85 * 0.71 + 449.44 * 3.75 * 0.86 + 903.23 * 3.10 * 1 + 738.10 * 2.60 * 1 + 490.20 * 3.05 * 1 + 714.29 * 3.50 * 1 + 761.19 * 4.10 * 1 + 976.74 * 3 * 1 + 922.08 * 3.45 * 1) / (3.05 * 0.29 + 2.10 * 0.29 + 4.60 * 0.43 + 3.05 * 0.43 + 3.65 * 0.57 + 3.85 * 0.71 + 3.75 * 0.86 + 3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 683.1815844607581
p2 = (922.08 * 3.45 * 1 + 761.19 * 4.10 * 1 + 976.74 * 3 * 1 + 903.23 * 3.10 * 1) / max_coefficients = 804.8361204013378
score = 683.1815844607581 * 0.5 + 804.8361204013378 * 0.5 = 744.0088524310479
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-09 | 11 -> 10 | 744.74 -> 744.01 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-04 | 11 | 745.72 -> 744.74 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 9 -> 11 | 744.79 -> 745.72 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-12 | 11 -> 9 | 741.00 -> 744.79 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 11 | 738.46 -> 741.00 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 11 | 756.76 -> 738.46 | |
| 2025-11-01 | 12 -> 11 | 753.58 -> 756.76 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 13 -> 12 | 739.32 -> 753.58 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 13 | 740.08 -> 739.32 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 13 | 741.10 -> 740.08 |
Riichi over Volga: 86% -> 71% |