Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Internal rating (RR)
Rating date May 12, 2026 (latest changes May 12, 2026).
27 place (653.84).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (392.16 * 3.05 * 0.14 + 800 * 3.85 * 0.29 + 967.74 * 3.10 * 0.57 + 686.27 * 3.05 * 0.71 + 661.02 * 3.25 * 0.71 + 600 * 2 * 1 + 974.03 * 3.45 * 1 + 806.45 * 3 * 1 + 233.33 * 3 * 1) / (3.05 * 0.14 + 3.85 * 0.29 + 3.10 * 0.57 + 3.05 * 0.71 + 3.25 * 0.71 + 2 * 1 + 3.45 * 1 + 3 * 1 + 3 * 1) = 699.7105501209417
p2 = (974.03 * 3.45 * 1 + 806.45 * 3 * 1 + 967.74 * 3.10 * 0.57 + 661.02 * 3.25 * 0.71) / max_coefficients = 607.9777777777778
score = 699.7105501209417 * 0.5 + 607.9777777777778 * 0.5 = 653.8441639493597
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-12 | 16 -> 27 | 693.05 -> 653.84 |
X Russian Championship: 14% -> 0% |
| 2026-05-07 | 14 -> 16 | 709.90 -> 693.05 |
Moscow Open Riichi Marathon: 71% -> 57% |
| 2026-05-03 | 15 -> 14 | 707.77 -> 709.90 | |
| 2026-05-01 | 14 -> 15 | 708.03 -> 707.77 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-16 | 15 -> 14 | 716.75 -> 708.03 |
White Wolf Cup: 86% -> 71% |
| 2026-04-09 | 15 | 712.25 -> 716.75 |
Agari Summer Tournament 2024: 29% -> 14% |
| 2026-04-05 | 13 -> 15 | 712.25 | |
| 2026-04-02 | 14 -> 13 | 711.29 -> 712.25 |
Agari Winter Tournament 2025: 86% -> 71% |
| 2026-03-30 | 14 | 710.55 -> 711.29 |
Seihoku spring tournament 2024: 14% -> 0% |
| 2026-03-12 | 15 -> 14 | 707.64 -> 710.55 |
X Russian Championship: 29% -> 14% |