Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date May 6, 2023 (latest changes May 6, 2023).
61 place (329.45).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118
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 = 302.91244805683004
score = 355.98755555555556 * 0.5 + 302.91244805683004 * 0.5 = 329.4500018061928
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-06 | 62 -> 61 | 329.45 | |
| 2023-05-05 | 62 | 329.45 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 2 | 90 |
|
102/112 | 100% | 4.05 | RR | Moscow Riichi 2022 | Moscow |