Vasiliev Sergey
From Moscow, Russia
EMA: 15990103
Internal rating (RR)
Rating date Sept. 9, 2026 (latest changes Sept. 7, 2026).
65 place (549.12).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (967.74 * 3.10 * 0.29 + 686.27 * 3.05 * 0.43 + 661.02 * 3.25 * 0.43 + 600 * 2 * 0.71 + 974.03 * 3.45 * 0.86 + 806.45 * 3 * 1 + 233.33 * 3 * 1 + 370.37 * 2.45 * 1) / (3.10 * 0.29 + 3.05 * 0.43 + 3.25 * 0.43 + 2 * 0.71 + 3.45 * 0.86 + 3 * 1 + 3 * 1 + 2.45 * 1) = 635.6986245729289
p2 = (974.03 * 3.45 * 0.86 + 806.45 * 3 * 1 + 661.02 * 3.25 * 0.43 + 370.37 * 2.45 * 1) / max_coefficients = 462.5379623621025
score = 635.6986245729289 * 0.5 + 462.5379623621025 * 0.5 = 549.1182934675157
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-07 | 62 -> 65 | 565.76 -> 549.12 |
Moscow Open Riichi Marathon: 43% -> 29% |
| 2026-09-06 | 58 -> 62 | 565.76 | |
| 2026-09-01 | 58 | 568.21 -> 565.76 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 54 -> 58 | 587.43 -> 568.21 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 46 -> 54 | 597.38 -> 587.43 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 47 -> 46 | 595.42 -> 597.38 | |
| 2026-08-08 | 49 -> 47 | 594.97 -> 595.42 |
Random not fault: 86% -> 71% |
| 2026-08-04 | 50 -> 49 | 594.97 | |
| 2026-08-02 | 49 -> 50 | 595.30 -> 594.97 |
Agari Winter Tournament 2025: 57% -> 43% |
| 2026-07-14 | 50 -> 49 | 595.30 |