Polyanskaya Aleksandra
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 14, 2026 (latest changes Sept. 13, 2026).
218 place (282.93).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (881.36 * 3.25 * 0.43 + 585.71 * 3.50 * 0.57 + 223.78 * 4.71 * 1 + 0 + 0) / (3.25 * 0.43 + 3.50 * 0.57 + 4.71 * 1 + 1 + 1) = 341.78870318771436
p2 = (881.36 * 3.25 * 0.43 + 585.71 * 3.50 * 0.57 + 223.78 * 4.71 * 1) / max_coefficients = 224.07787151200517
score = 341.78870318771436 * 0.5 + 224.07787151200517 * 0.5 = 282.93328734985977
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-07 | 219 -> 218 | 282.93 | |
| 2026-09-06 | 215 -> 219 | 282.93 | |
| 2026-09-03 | 196 -> 215 | 298.19 -> 282.93 |
Riichi over The Volga 2025: 71% -> 57% |
| 2026-09-01 | 202 -> 196 | 298.19 | |
| 2026-08-31 | 202 | 297.80 -> 298.19 | |
| 2026-08-30 | 201 -> 202 | 297.80 | |
| 2026-08-16 | 174 -> 201 | 322.10 -> 297.80 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 175 -> 174 | 321.12 -> 322.10 | |
| 2026-08-13 | 177 -> 175 | 321.12 | |
| 2026-08-04 | 180 -> 177 | 321.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 224 |
|
112/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 586 |
|
30/71 | 57% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 3 | 881 |
|
8/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg |