Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date Feb. 1, 2026 (latest changes Jan. 30, 2026).
46 place (569.20).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (941.18 * 3.05 * 0.14 + 355.14 * 4.60 * 0.29 + 921.57 * 3.05 * 0.43 + 955.06 * 3.75 * 0.71 + 196.08 * 3.05 * 1 + 883.72 * 3 * 1) / (3.05 * 0.14 + 4.60 * 0.29 + 3.05 * 0.43 + 3.75 * 0.71 + 3.05 * 1 + 3 * 1) = 669.3648013901333
p2 = (883.72 * 3 * 1 + 955.06 * 3.75 * 0.71 + 921.57 * 3.05 * 0.43 + 196.08 * 3.05 * 1) / max_coefficients = 469.03946488294315
score = 669.3648013901333 * 0.5 + 469.03946488294315 * 0.5 = 569.2021331365382
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-30 | 45 -> 46 | 569.20 | |
| 2026-01-26 | 46 -> 45 | 569.20 | |
| 2026-01-25 | 43 -> 46 | 569.20 | |
| 2026-01-14 | 45 -> 43 | 569.20 | |
| 2026-01-12 | 47 -> 45 | 564.32 -> 569.20 |
X Russian Championship: 43% -> 29% |
| 2026-01-10 | 45 -> 47 | 573.21 -> 564.32 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-07 | 43 -> 45 | 573.21 | |
| 2026-01-01 | 44 -> 43 | 573.21 | |
| 2025-12-13 | 40 -> 44 | 596.15 -> 573.21 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-09 | 37 -> 40 | 613.46 -> 596.15 |
Agari Summer Tournament 2024: 57% -> 43% |