Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date April 20, 2026 (latest changes April 19, 2026).
223 place (250.43).
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 + 105.26 * 2.10 * 1) / (1.80 * 0.57 + 2 * 1 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1) = 322.84799717279907
p2 = (600 * 2 * 1 + 800 * 1.80 * 0.57 + 347.83 * 1.20 * 1 + 105.26 * 2.10 * 1) / max_coefficients = 178.01070234113715
score = 322.84799717279907 * 0.5 + 178.01070234113715 * 0.5 = 250.42934975696812
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-19 | 192 -> 223 | 281.57 -> 250.43 |
The Southern Dragon Cup 2026: 0% -> 100% |
| 2026-04-16 | 194 -> 192 | 281.57 | |
| 2026-04-11 | 189 -> 194 | 281.57 | |
| 2026-04-09 | 190 -> 189 | 281.57 | |
| 2026-04-05 | 185 -> 190 | 281.57 | |
| 2026-04-04 | 188 -> 185 | 281.57 | |
| 2026-04-02 | 189 -> 188 | 281.57 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 105 |
|
18/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 2 | 105 |
|
18/20 | 100% | 1.30 | CRR | The Southern Coon Mini Cup 2026 | Simferopol | |
| 3 | 348 |
|
16/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 4 | 43 |
|
23/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 5 | 600 |
|
7/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 6 | 800 |
|
4/16 | 57% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |