Bykova Yulia
From Moscow, Russia
EMA: 15990258
Internal rating (RR)
Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).
31 place (631.81).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (372.55 * 3.05 * 0.14 + 705.88 * 3.05 * 0.43 + 921.35 * 3.75 * 0.71 + 803.92 * 3.05 * 0.86 + 614.04 * 3.90 * 1) / (3.05 * 0.14 + 3.05 * 0.43 + 3.75 * 0.71 + 3.05 * 0.86 + 3.90 * 1) = 736.054931233086
p2 = (921.35 * 3.75 * 0.71 + 614.04 * 3.90 * 1 + 803.92 * 3.05 * 0.86 + 705.88 * 3.05 * 0.43) / max_coefficients = 527.5598662207358
score = 736.054931233086 * 0.5 + 527.5598662207358 * 0.5 = 631.8073987269108
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-02 | 30 -> 31 | 644.83 -> 631.81 |
Agari Winter Tournament 2025: 100% -> 86% |
| 2026-01-26 | 31 -> 30 | 644.83 | |
| 2026-01-25 | 30 -> 31 | 644.83 | |
| 2026-01-10 | 31 -> 30 | 638.07 -> 644.83 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-01 | 30 -> 31 | 638.07 | |
| 2025-12-13 | 28 -> 30 | 658.83 -> 638.07 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-09 | 27 -> 28 | 668.64 -> 658.83 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-11-30 | 24 -> 27 | 668.64 | |
| 2025-11-10 | 25 -> 24 | 662.70 -> 668.64 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 43 -> 25 | 594.98 -> 662.70 |
XI Russian Championship: 0% -> 100% |