Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Common russian riichi rating (CRR)
Rating date April 4, 2026 (latest changes April 4, 2026).
14 place (714.75).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (588.79 * 4.60 * 0.14 + 1000 * 1.80 * 0.14 + 947.37 * 1.50 * 0.14 + 392.16 * 3.05 * 0.29 + 800 * 3.85 * 0.43 + 967.74 * 3.10 * 0.71 + 686.27 * 3.05 * 0.71 + 661.02 * 3.25 * 0.86 + 600 * 2 * 1 + 974.03 * 3.45 * 1 + 806.45 * 3 * 1) / (4.60 * 0.14 + 1.80 * 0.14 + 1.50 * 0.14 + 3.05 * 0.29 + 3.85 * 0.43 + 3.10 * 0.71 + 3.05 * 0.71 + 3.25 * 0.86 + 2 * 1 + 3.45 * 1 + 3 * 1) = 776.4027299239973
p2 = (974.03 * 3.45 * 1 + 806.45 * 3 * 1 + 967.74 * 3.10 * 0.71 + 661.02 * 3.25 * 0.86) / max_coefficients = 653.1070234113712
score = 776.4027299239973 * 0.5 + 653.1070234113712 * 0.5 = 714.7548766676842
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-02 | 15 -> 14 | 713.76 -> 714.75 |
Agari Winter Tournament 2025: 86% -> 71% |
| 2026-03-30 | 15 | 713.01 -> 713.76 |
Seihoku spring tournament 2024: 14% -> 0% |
| 2026-03-25 | 15 | 713.93 -> 713.01 |
Duplicate riichi mahjong tournament 2024: 29% -> 14% |
| 2026-03-19 | 14 -> 15 | 715.34 -> 713.93 |
"Green Dragon" in the Secret Chamber: 29% -> 14% |
| 2026-03-12 | 15 -> 14 | 712.41 -> 715.34 |
X Russian Championship: 29% -> 14% |
| 2026-03-10 | 16 -> 15 | 710.56 -> 712.41 |
Agari Spring Tournament 2024: 14% -> 0% |
| 2026-03-07 | 13 -> 16 | 726.89 -> 710.56 |
Moscow Open Riichi Marathon: 86% -> 71% |
| 2026-03-01 | 13 | 727.23 -> 726.89 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-25 | 11 -> 13 | 733.21 -> 727.23 |
Chasing Kan: 14% -> 0% |
| 2026-02-23 | 7 -> 11 | 733.21 |