Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date March 24, 2026 (latest changes March 23, 2026).
189 place (281.57).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (800 * 1.80 * 0.57 + 600 * 2 * 1 + 43.48 * 1.20 * 1 + 347.83 * 1.20 * 1 + 105.26 * 1.30 * 1) / (1.80 * 0.57 + 2 * 1 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1) = 390.75755143776047
p2 = (600 * 2 * 1 + 800 * 1.80 * 0.57 + 347.83 * 1.20 * 1 + 105.26 * 1.30 * 1) / max_coefficients = 172.3779264214047
score = 390.75755143776047 * 0.5 + 172.3779264214047 * 0.5 = 281.56773892958256
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-23 | 190 -> 189 | 281.57 | |
| 2026-03-21 | 189 -> 190 | 277.21 -> 281.57 |
The Southern Coon Mini Cup 2026: 0% -> 100% |
| 2026-03-14 | 183 -> 189 | 277.21 | |
| 2026-03-07 | 182 -> 183 | 277.21 | |
| 2026-03-01 | 183 -> 182 | 277.21 | |
| 2026-02-27 | 177 -> 183 | 292.02 -> 277.21 |
Happy Bamboo 2024: 71% -> 57% |
| 2026-02-23 | 170 -> 177 | 292.02 | |
| 2026-02-13 | 172 -> 170 | 292.02 | |
| 2026-02-08 | 168 -> 172 | 292.02 | |
| 2026-02-04 | 169 -> 168 | 292.02 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 105 |
|
18/20 | 100% | 1.30 | CRR | The Southern Coon Mini Cup 2026 | Simferopol | |
| 2 | 348 |
|
16/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 3 | 43 |
|
23/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 4 | 600 |
|
7/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 5 | 800 |
|
4/16 | 57% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |