Druzhinina Alexandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date July 3, 2026 (latest changes July 3, 2026).
223 place (259.20).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (185.19 * 2.45 * 1 + 580.42 * 4.71 * 1 + 0 + 0 + 0) / (2.45 * 1 + 4.71 * 1 + 1 + 1 + 1) = 313.7283464566929
p2 = (580.42 * 4.71 * 1 + 185.19 * 2.45 * 1) / max_coefficients = 204.66530671736624
score = 313.7283464566929 * 0.5 + 204.66530671736624 * 0.5 = 259.1968265870296
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-02 | 224 -> 223 | 259.20 | |
| 2026-06-26 | 226 -> 224 | 259.20 | |
| 2026-06-16 | 228 -> 226 | 259.20 | |
| 2026-06-15 | 229 -> 228 | 255.49 -> 259.20 | |
| 2026-06-14 | 322 -> 229 | 75.15 -> 255.49 |
XII Russian Championship: 0% -> 100% |
| 2026-05-17 | 306 -> 322 | 78.82 -> 75.15 |
Hatiko under the sakura: 0% -> 100% |
| 2026-03-21 | 296 -> 306 | 78.82 | |
| 2026-03-19 | 285 -> 296 | 101.81 -> 78.82 |
"Green Dragon" in the Secret Chamber: 29% -> 14% |
| 2026-03-15 | 286 -> 285 | 101.81 | |
| 2026-03-14 | 283 -> 286 | 101.81 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 580 |
|
61/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 185 |
|
23/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 3 | 645 |
|
12/32 | 0% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov | |
| 4 | 957 |
|
🥉 | 3/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 5 | 59 |
|
49/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |