Knyazeva Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2023 (latest changes May 20, 2023).
75 place (325.77).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
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 = 295.56053298696315
score = 355.98755555555556 * 0.5 + 295.56053298696315 * 0.5 = 325.77404427125936
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-20 | 76 -> 75 | 320.52 -> 325.77 | |
| 2023-05-05 | 76 | 320.52 |
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 |