Knyazeva Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
73 place (315.62).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (90.09 * 4.05 * 1 + 866.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 1 + 4.20 * 1 + 1 + 1 + 1) = 355.98755555555556
p2 = (866.67 * 4.20 * 1 + 90.09 * 4.05 * 1) / max_coefficients = 275.2481099656357
score = 355.98755555555556 * 0.5 + 275.2481099656357 * 0.5 = 315.61783276059566
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-02-19 | 75 -> 73 | 315.62 | |
| 2023-01-28 | 75 | 314.15 -> 315.62 | |
| 2023-01-14 | 73 -> 75 | 314.15 | |
| 2023-01-03 | 75 -> 73 | 314.15 | |
| 2022-12-19 | 76 -> 75 | 312.84 -> 314.15 | |
| 2022-12-18 | 75 -> 76 | 312.84 | |
| 2022-11-28 | 76 -> 75 | 309.73 -> 312.84 | |
| 2022-11-06 | 76 | 309.73 |
IX Russian Riichi Championship: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
| 2 | 90 |
|
102/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |