Polyanskaya Aleksandra
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2025 (latest changes May 19, 2025).
105 place (413.76).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (881.36 * 3.25 * 1 + 585.71 * 3.50 * 1 + 0 + 0 + 0) / (3.25 * 1 + 3.50 * 1 + 1 + 1 + 1) = 504.04205128205126
p2 = (881.36 * 3.25 * 1 + 585.71 * 3.50 * 1) / max_coefficients = 323.47265060891243
score = 504.04205128205126 * 0.5 + 323.47265060891243 * 0.5 = 413.75735094548185
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-19 | 104 -> 105 | 413.76 | |
| 2025-05-17 | 103 -> 104 | 413.76 | |
| 2025-05-12 | 103 | 407.05 -> 413.76 | |
| 2025-05-03 | 103 | 407.05 |
Riichi over The Volga 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 586 |
|
30/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 2 | 881 |
|
8/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |