Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date May 23, 2026 (latest changes May 23, 2026).
238 place (226.15).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (800 * 1.80 * 0.43 + 600 * 2 * 0.86 + 43.48 * 1.20 * 1 + 347.83 * 1.20 * 1 + 105.26 * 1.30 * 1 + 105.26 * 2.10 * 1) / (1.80 * 0.43 + 2 * 0.86 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1) = 298.48485579940336
p2 = (600 * 2 * 0.86 + 800 * 1.80 * 0.43 + 347.83 * 1.20 * 1 + 105.26 * 2.10 * 1) / max_coefficients = 153.8141414141414
score = 298.48485579940336 * 0.5 + 153.8141414141414 * 0.5 = 226.1494986067724
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-23 | 240 -> 238 | 226.15 | |
| 2026-05-17 | 237 -> 240 | 226.15 | |
| 2026-05-12 | 243 -> 237 | 226.15 | |
| 2026-05-11 | 241 -> 243 | 226.15 | |
| 2026-05-04 | 242 -> 241 | 226.15 | |
| 2026-05-03 | 235 -> 242 | 225.64 -> 226.15 | |
| 2026-05-01 | 236 -> 235 | 225.64 | |
| 2026-04-27 | 222 -> 236 | 250.43 -> 225.64 |
South Dragon Cup II: 100% -> 86% Happy Bamboo 2024: 57% -> 43% |
| 2026-04-19 | 191 -> 222 | 281.57 -> 250.43 |
The Southern Dragon Cup 2026: 0% -> 100% |
| 2026-04-16 | 193 -> 191 | 281.57 |
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 | 86% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 6 | 800 |
|
4/16 | 43% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |