Druzhinina Alexandra
From Korolyov, Russia
Internal rating (RR)
Rating date Oct. 4, 2025 (latest changes Oct. 4, 2025).
201 place (121.73).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (58.82 * 3.05 * 0.43 + 956.52 * 2.10 * 0.43 + 0 + 0 + 0) / (3.05 * 0.43 + 2.10 * 0.43 + 1 + 1 + 1) = 180.09943751932383
p2 = (956.52 * 2.10 * 0.43 + 58.82 * 3.05 * 0.43) / max_coefficients = 63.36689189189188
score = 180.09943751932383 * 0.5 + 63.36689189189188 * 0.5 = 121.73316470560786
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-30 | 196 -> 201 | 152.56 -> 121.73 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-10 | 197 -> 196 | 147.43 -> 152.56 |
Agari Spring Tournament 2024: 57% -> 43% |
| 2025-09-03 | 202 -> 197 | 147.43 | |
| 2025-09-01 | 202 | 146.32 -> 147.43 | |
| 2025-08-31 | 193 -> 202 | 146.32 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 957 |
|
🥉 | 3/47 | 43% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 2 | 59 |
|
49/52 | 43% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |