Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Internal rating (RR)
Rating date Nov. 30, 2025 (latest changes Nov. 30, 2025).
11 place (740.22).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (588.24 * 3.05 * 0.29 + 673.91 * 2.10 * 0.29 + 588.79 * 4.60 * 0.43 + 800 * 3.85 * 0.71 + 967.74 * 3.10 * 1 + 686.27 * 3.05 * 1 + 661.02 * 3.25 * 1 + 600 * 2 * 1 + 974.03 * 3.45 * 1) / (3.05 * 0.29 + 2.10 * 0.29 + 4.60 * 0.43 + 3.85 * 0.71 + 3.10 * 1 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 3.45 * 1) = 764.132629567024
p2 = (974.03 * 3.45 * 1 + 967.74 * 3.10 * 1 + 800 * 3.85 * 0.71 + 661.02 * 3.25 * 1) / max_coefficients = 716.3036789297659
score = 764.132629567024 * 0.5 + 716.3036789297659 * 0.5 = 740.218154248395
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-30 | 10 -> 11 | 739.58 -> 740.22 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-12 | 12 -> 10 | 736.98 -> 739.58 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 13 -> 12 | 735.34 -> 736.98 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 12 -> 13 | 751.62 -> 735.34 | |
| 2025-11-01 | 8 -> 12 | 766.19 -> 751.62 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 9 -> 8 | 754.37 -> 766.19 | |
| 2025-10-04 | 10 -> 9 | 754.37 | |
| 2025-09-30 | 10 | 753.85 -> 754.37 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-12 | 11 -> 10 | 751.58 -> 753.85 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 11 | 750.13 -> 751.58 |
Agari Spring Tournament 2024: 57% -> 43% |