Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
31 place (636.79).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (941.18 * 3.05 * 0.43 + 355.14 * 4.60 * 0.57 + 921.57 * 3.05 * 0.57 + 955.06 * 3.75 * 0.86 + 196.08 * 3.05 * 1 + 883.72 * 3 * 1) / (3.05 * 0.43 + 4.60 * 0.57 + 3.05 * 0.57 + 3.75 * 0.86 + 3.05 * 1 + 3 * 1) = 675.1678844964033
p2 = (955.06 * 3.75 * 0.86 + 883.72 * 3 * 1 + 921.57 * 3.05 * 0.57 + 941.18 * 3.05 * 0.43) / max_coefficients = 598.4083916083915
score = 675.1678844964033 * 0.5 + 598.4083916083915 * 0.5 = 636.7881380523975
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 33 -> 31 | 635.75 -> 636.79 | |
| 2025-10-13 | 29 -> 33 | 648.82 -> 635.75 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 25 -> 29 | 665.63 -> 648.82 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 26 -> 25 | 665.63 | |
| 2025-09-14 | 27 -> 26 | 665.63 | |
| 2025-09-12 | 31 -> 27 | 658.96 -> 665.63 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 25 -> 31 | 676.18 -> 658.96 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 27 -> 25 | 676.18 | |
| 2025-09-01 | 29 -> 27 | 667.39 -> 676.18 | |
| 2025-08-31 | 28 -> 29 | 667.39 |