Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Common russian riichi rating (CRR)
Rating date Jan. 8, 2026 (latest changes Jan. 7, 2026).
9 place (737.73).
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 * 0.14 + 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 * 0.57 + 967.74 * 3.10 * 0.86 + 686.27 * 3.05 * 1 + 661.02 * 3.25 * 1 + 600 * 2 * 1 + 974.03 * 3.45 * 1 + 806.45 * 3 * 1) / (2.30 * 0.14 + 3.05 * 0.29 + 2.10 * 0.29 + 4.60 * 0.43 + 1.80 * 0.43 + 1.50 * 0.43 + 3.85 * 0.57 + 3.10 * 0.86 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 3.45 * 1 + 3 * 1) = 773.1631660963748
p2 = (974.03 * 3.45 * 1 + 967.74 * 3.10 * 0.86 + 806.45 * 3 * 1 + 661.02 * 3.25 * 1) / max_coefficients = 702.2976588628763
score = 773.1631660963748 * 0.5 + 702.2976588628763 * 0.5 = 737.7304124796256
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-07 | 6 -> 9 | 753.78 -> 737.73 |
Moscow Open Riichi Marathon: 100% -> 86% |
| 2026-01-01 | 6 | 755.76 -> 753.78 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-25 | 6 | 753.90 -> 755.76 |
Chasing Kan: 29% -> 14% |
| 2025-12-13 | 7 -> 6 | 753.90 | |
| 2025-11-30 | 11 -> 7 | 742.08 -> 753.90 |
Final Cup 2025: 0% -> 100% Seihoku spring tournament 2024: 43% -> 29% |
| 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 |