Selifonova Aleksandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
115 place (230.85).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (326.09 * 2.10 * 1 + 549.02 * 3.05 * 1 + 0 + 0 + 0) / (2.10 * 1 + 3.05 * 1 + 1 + 1 + 1) = 289.4834355828221
p2 = (549.02 * 3.05 * 1 + 326.09 * 2.10 * 1) / max_coefficients = 172.21094890510946
score = 289.4834355828221 * 0.5 + 172.21094890510946 * 0.5 = 230.84719224396576
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 118 -> 115 | 230.85 | |
| 2024-05-05 | 117 -> 118 | 230.85 | |
| 2024-04-27 | 118 -> 117 | 230.85 | |
| 2024-04-25 | 119 -> 118 | 230.85 | |
| 2024-04-12 | 122 -> 119 | 230.85 | |
| 2024-03-30 | 122 | 230.85 |
Seihoku spring tournament 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 326 |
|
32/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 549 |
|
24/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |