Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date Nov. 11, 2025 (latest changes Nov. 10, 2025).
38 place (609.85).
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 * 0.29 + 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 * 0.29 + 4.60 * 0.57 + 3.05 * 0.57 + 3.75 * 0.86 + 3.05 * 1 + 3 * 1) = 667.1763155282517
p2 = (955.06 * 3.75 * 0.86 + 883.72 * 3 * 1 + 921.57 * 3.05 * 0.57 + 355.14 * 4.60 * 0.57) / max_coefficients = 552.533110367893
score = 667.1763155282517 * 0.5 + 552.533110367893 * 0.5 = 609.8547129480723
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-10 | 36 -> 38 | 623.78 -> 609.85 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 31 -> 36 | 636.79 -> 623.78 | |
| 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 |