Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Common russian riichi rating (CRR)
Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).
170 place (345.04).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (196.08 * 3.05 * 0.29 + 883.72 * 3 * 0.71 + 789.47 * 1.30 * 1 + 0 + 0) / (3.05 * 0.29 + 3 * 0.71 + 1.30 * 1 + 1 + 1) = 489.51068885867517
p2 = (883.72 * 3 * 0.71 + 789.47 * 1.30 * 1 + 196.08 * 3.05 * 0.29) / max_coefficients = 200.57819597663857
score = 489.51068885867517 * 0.5 + 200.57819597663857 * 0.5 = 345.04444241765685
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-02 | 171 -> 170 | 345.04 | |
| 2026-11-01 | 169 -> 171 | 345.04 | |
| 2026-10-31 | 167 -> 169 | 345.04 | |
| 2026-10-24 | 165 -> 167 | 345.04 | |
| 2026-10-17 | 163 -> 165 | 345.04 | |
| 2026-10-16 | 164 -> 163 | 345.04 | |
| 2026-10-13 | 130 -> 164 | 424.81 -> 345.04 |
Moscow Riichi 2024: 14% -> 0% |
| 2026-10-03 | 122 -> 130 | 446.23 -> 424.81 |
Two roosters and Chuckles: 86% -> 71% |
| 2026-10-02 | 125 -> 122 | 434.79 -> 446.23 |
Agari Winter Tournament 2025: 43% -> 29% |
| 2026-09-26 | 123 -> 125 | 434.79 |