Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Common russian riichi rating (CRR)
Rating date Dec. 8, 2025 (latest changes Dec. 4, 2025).
7 place (753.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (481.48 * 2.30 * 0.29 + 588.24 * 3.05 * 0.29 + 673.91 * 2.10 * 0.29 + 588.79 * 4.60 * 0.43 + 1000 * 1.80 * 0.43 + 947.37 * 1.50 * 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 + 806.45 * 3 * 1) / (2.30 * 0.29 + 3.05 * 0.29 + 2.10 * 0.29 + 4.60 * 0.43 + 1.80 * 0.43 + 1.50 * 0.43 + 3.85 * 0.71 + 3.10 * 1 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 3.45 * 1 + 3 * 1) = 773.3608123621932
p2 = (974.03 * 3.45 * 1 + 967.74 * 3.10 * 1 + 806.45 * 3 * 1 + 800 * 3.85 * 0.71) / max_coefficients = 734.4334448160535
score = 773.3608123621932 * 0.5 + 734.4334448160535 * 0.5 = 753.8971285891233
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-30 | 11 -> 7 | 742.08 -> 753.90 |
Seihoku spring tournament 2024: 43% -> 29% Final Cup 2025: 0% -> 100% |
| 2025-11-25 | 10 -> 11 | 744.88 -> 742.08 |
Duplicate riichi mahjong tournament 2024: 57% -> 43% |
| 2025-11-19 | 10 | 746.07 -> 744.88 |
"Green Dragon" in the Secret Chamber: 57% -> 43% |
| 2025-11-12 | 9 -> 10 | 743.61 -> 746.07 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 9 | 742.04 -> 743.61 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 8 -> 9 | 758.32 -> 742.04 | |
| 2025-11-01 | 7 -> 8 | 772.69 -> 758.32 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-25 | 7 | 770.89 -> 772.69 |
Chasing Kan: 43% -> 29% |
| 2025-10-13 | 8 -> 7 | 759.08 -> 770.89 | |
| 2025-09-30 | 8 | 758.57 -> 759.08 |
Seihoku spring tournament 2024: 57% -> 43% |