Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date May 30, 2025 (latest changes May 30, 2025).
168 place (281.00).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (800 * 1.80 * 1 + 600 * 2 * 1 + 0 + 0 + 0) / (1.80 * 1 + 2 * 1 + 1 + 1 + 1) = 388.2352941176471
p2 = (800 * 1.80 * 1 + 600 * 2 * 1) / max_coefficients = 173.76812223797543
score = 388.2352941176471 * 0.5 + 173.76812223797543 * 0.5 = 281.0017081778112
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-30 | 170 -> 168 | 281.00 | |
| 2025-05-17 | 168 -> 170 | 281.00 | |
| 2025-05-12 | 170 -> 168 | 277.40 -> 281.00 | |
| 2025-05-05 | 171 -> 170 | 277.40 | |
| 2025-05-03 | 168 -> 171 | 277.40 | |
| 2025-04-27 | 168 | 277.40 |
South Dragon Cup II: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
7/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 2 | 800 |
|
4/16 | 100% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |