Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Jan. 28, 2023 (latest changes Jan. 28, 2023).
68 place (316.98).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 0.86) = 14.40701
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 = 277.979955591063
score = 355.98755555555556 * 0.5 + 277.979955591063 * 0.5 = 316.9837555733093
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-28 | 69 -> 68 | 314.15 -> 316.98 | |
| 2023-01-09 | 69 | 314.15 |
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 |