Druzhinina Alexandra
From Korolyov, Russia
Internal rating (RR)
Rating date Aug. 9, 2025 (latest changes Aug. 9, 2025).
193 place (146.32).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (58.82 * 3.05 * 0.57 + 956.52 * 2.10 * 0.57 + 0 + 0 + 0) / (3.05 * 0.57 + 2.10 * 0.57 + 1 + 1 + 1) = 210.3905457274543
p2 = (956.52 * 2.10 * 0.57 + 58.82 * 3.05 * 0.57) / max_coefficients = 82.25592105263158
score = 210.3905457274543 * 0.5 + 82.25592105263158 * 0.5 = 146.32323339004296
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 193 | 145.92 -> 146.32 | |
| 2025-08-03 | 186 -> 193 | 145.92 | |
| 2025-07-30 | 181 -> 186 | 173.20 -> 145.92 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 177 -> 181 | 173.20 | |
| 2025-07-12 | 178 -> 177 | 172.27 -> 173.20 | |
| 2025-07-10 | 179 -> 178 | 166.97 -> 172.27 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-06-15 | 167 -> 179 | 168.45 -> 166.97 | |
| 2025-06-11 | 175 -> 167 | 168.45 | |
| 2025-05-30 | 172 -> 175 | 193.41 -> 168.45 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 174 -> 172 | 190.89 -> 193.41 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 957 |
|
🥉 | 3/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 2 | 59 |
|
49/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |