Polyanskaya Aleksandra
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Aug. 4, 2025 (latest changes Aug. 4, 2025).
111 place (413.68).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
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 = 323.31644736842105
score = 504.04205128205126 * 0.5 + 323.31644736842105 * 0.5 = 413.6792493252361
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-04 | 111 | 412.10 -> 413.68 | |
2025-08-03 | 110 -> 111 | 412.10 | |
2025-07-26 | 109 -> 110 | 412.10 | |
2025-07-13 | 105 -> 109 | 412.10 | |
2025-07-12 | 109 -> 105 | 409.10 -> 412.10 | |
2025-07-10 | 110 -> 109 | 409.10 | |
2025-07-03 | 111 -> 110 | 409.10 | |
2025-06-15 | 106 -> 111 | 413.76 -> 409.10 | |
2025-06-14 | 104 -> 106 | 413.76 | |
2025-06-11 | 105 -> 104 | 413.76 |
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 |