Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
170 place (280.11).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
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 = 171.98697068403908
score = 388.2352941176471 * 0.5 + 171.98697068403908 * 0.5 = 280.1111324008431
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 171 -> 170 | 278.50 -> 280.11 | |
| 2025-07-03 | 174 -> 171 | 278.50 | |
| 2025-06-15 | 167 -> 174 | 281.00 -> 278.50 | |
| 2025-06-14 | 164 -> 167 | 281.00 | |
| 2025-06-11 | 168 -> 164 | 281.00 | |
| 2025-06-09 | 167 -> 168 | 281.00 | |
| 2025-05-30 | 169 -> 167 | 281.00 | |
| 2025-05-17 | 167 -> 169 | 281.00 | |
| 2025-05-12 | 169 -> 167 | 277.40 -> 281.00 | |
| 2025-05-05 | 170 -> 169 | 277.40 |
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 |