Dergacheva Anastasiya
From Kazan, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).
306 place (172.47).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (672.73 * 3 * 1 + 27.97 * 4.71 * 1 + 0 + 0 + 0) / (3 * 1 + 4.71 * 1 + 1 + 1 + 1) = 200.7404295051354
p2 = (672.73 * 3 * 1 + 27.97 * 4.71 * 1) / max_coefficients = 144.19382964453388
score = 200.7404295051354 * 0.5 + 144.19382964453388 * 0.5 = 172.46712957483464
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-08 | 304 -> 306 | 172.47 | |
| 2026-11-04 | 305 -> 304 | 170.13 -> 172.47 | |
| 2026-11-03 | 304 -> 305 | 170.13 | |
| 2026-11-01 | 299 -> 304 | 170.13 | |
| 2026-10-31 | 296 -> 299 | 170.13 | |
| 2026-10-27 | 297 -> 296 | 170.13 | |
| 2026-10-24 | 294 -> 297 | 170.13 | |
| 2026-10-17 | 293 -> 294 | 170.13 | |
| 2026-10-14 | 294 -> 293 | 170.13 | |
| 2026-10-13 | 298 -> 294 | 170.13 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 28 |
|
140/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 673 |
|
19/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara |