Zheleznyakova Anna
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Dec. 8, 2025 (latest changes Dec. 4, 2025).
180 place (267.53).
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 * 0.86 + 600 * 2 * 1 + 43.48 * 1.20 * 1 + 0 + 0) / (1.80 * 0.86 + 2 * 1 + 1.20 * 1 + 1 + 1) = 368.7484983938376
p2 = (800 * 1.80 * 0.86 + 600 * 2 * 1 + 43.48 * 1.20 * 1) / max_coefficients = 166.31371237458197
score = 368.7484983938376 * 0.5 + 166.31371237458197 * 0.5 = 267.5311053842098
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-04 | 182 -> 180 | 267.53 | |
| 2025-11-30 | 184 -> 182 | 267.53 | |
| 2025-11-25 | 185 -> 184 | 267.53 | |
| 2025-11-22 | 182 -> 185 | 267.53 | |
| 2025-11-15 | 183 -> 182 | 267.53 | |
| 2025-11-12 | 182 -> 183 | 267.53 | |
| 2025-11-10 | 183 -> 182 | 267.53 | |
| 2025-11-05 | 185 -> 183 | 267.53 | |
| 2025-11-04 | 180 -> 185 | 271.31 -> 267.53 | |
| 2025-11-01 | 180 | 271.01 -> 271.31 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 43 |
|
23/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 2 | 600 |
|
7/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 800 |
|
4/16 | 86% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |