Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
8 place (758.32).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (1000 * 2.90 * 0.14 + 481.48 * 2.30 * 0.29 + 588.24 * 3.05 * 0.43 + 673.91 * 2.10 * 0.43 + 588.79 * 4.60 * 0.57 + 1000 * 1.80 * 0.57 + 947.37 * 1.50 * 0.57 + 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) / (2.90 * 0.14 + 2.30 * 0.29 + 3.05 * 0.43 + 2.10 * 0.43 + 4.60 * 0.57 + 1.80 * 0.57 + 1.50 * 0.57 + 3.85 * 0.71 + 3.10 * 1 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 3.45 * 1) = 767.7847274388437
p2 = (974.03 * 3.45 * 1 + 967.74 * 3.10 * 1 + 800 * 3.85 * 0.71 + 661.02 * 3.25 * 1) / max_coefficients = 748.862937062937
score = 767.7847274388437 * 0.5 + 748.862937062937 * 0.5 = 758.3238322508903
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-09-26 | 8 | 760.38 -> 758.57 |
Autumn Agari tournament: 29% -> 14% |
| 2025-09-25 | 8 | 761.09 -> 760.38 |
Duplicate riichi mahjong tournament 2024: 71% -> 57% |
| 2025-09-19 | 8 | 762.17 -> 761.09 |
"Green Dragon" in the Secret Chamber: 71% -> 57% |
| 2025-09-12 | 8 | 760.04 -> 762.17 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 8 | 758.68 -> 760.04 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 9 -> 8 | 758.68 |