Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Internal rating (RR)
Rating date May 12, 2025 (latest changes May 12, 2025).
31 place (645.48).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (494.25 * 3.75 * 0.14 + 495.33 * 4 * 0.29 + 235.29 * 3.05 * 0.71 + 456.52 * 2.10 * 0.86 + 803.92 * 3.05 * 1 + 822.78 * 3.65 * 1 + 431.58 * 3.85 * 1 + 449.44 * 3.75 * 1 + 903.23 * 3.10 * 1 + 738.10 * 2.60 * 1 + 490.20 * 3.05 * 1 + 305.08 * 3.25 * 1 + 714.29 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.71 + 2.10 * 0.86 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 3.50 * 1) = 583.0412440914679
p2 = (822.78 * 3.65 * 1 + 903.23 * 3.10 * 1 + 714.29 * 3.50 * 1 + 803.92 * 3.05 * 1) / max_coefficients = 707.9155328954903
score = 583.0412440914679 * 0.5 + 707.9155328954903 * 0.5 = 645.4783884934791
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 33 -> 31 | 630.80 -> 645.48 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 34 -> 33 | 628.69 -> 630.80 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 35 -> 34 | 602.45 -> 628.69 |
SPB Riichi Open 2023: 43% -> 29% Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-26 | 34 -> 35 | 602.45 | |
| 2025-04-11 | 34 | 601.90 -> 602.45 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 34 | 601.43 -> 601.90 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-10 | 35 -> 34 | 599.36 -> 601.43 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 38 -> 35 | 598.85 -> 599.36 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 39 -> 38 | 598.85 | |
| 2025-02-16 | 32 -> 39 | 611.76 -> 598.85 |
White Wolf Cup: 0% -> 100% |