Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
8 place (759.08).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (1000 * 2.90 * 0.14 + 967.74 * 3.10 * 1 + 588.24 * 3.05 * 0.43 + 1000 * 1.80 * 0.57 + 947.37 * 1.50 * 0.57 + 673.91 * 2.10 * 0.43 + 800 * 3.85 * 0.86 + 600 * 2 * 1 + 974.03 * 3.45 * 1 + 588.79 * 4.60 * 0.57 + 661.02 * 3.25 * 1 + 481.48 * 2.30 * 0.43 + 686.27 * 3.05 * 1) / (2.90 * 0.14 + 3.10 * 1 + 3.05 * 0.43 + 1.80 * 0.57 + 1.50 * 0.57 + 2.10 * 0.43 + 3.85 * 0.86 + 2 * 1 + 3.45 * 1 + 4.60 * 0.57 + 3.25 * 1 + 2.30 * 0.43 + 3.05 * 1) = 764.8769811248935
p2 = (974.03 * 3.45 * 1 + 967.74 * 3.10 * 1 + 800 * 3.85 * 0.86 + 661.02 * 3.25 * 1) / max_coefficients = 753.2817567567565
score = 764.8769811248935 * 0.5 + 753.2817567567565 * 0.5 = 759.079368940825
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-09-01 | 8 -> 9 | 763.58 -> 758.68 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 18 -> 8 | 707.82 -> 763.58 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-25 | 18 | 706.21 -> 707.82 |
Chasing Kan: 57% -> 43% |