Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 15, 2023 (latest changes Sept. 15, 2023).
22 place (540.14).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (90.09 * 4.05 * 0.71 + 866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 0) / (4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1 + 1) = 522.5402017242409
p2 = (866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 90.09 * 4.05 * 0.71) / max_coefficients = 557.7448904073087
score = 522.5402017242409 * 0.5 + 557.7448904073087 * 0.5 = 540.1425460657748
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-03 | 30 -> 22 | 481.60 -> 540.14 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-09-01 | 30 | 481.60 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 523 |
|
52/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 609 |
|
35/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 4 | 90 |
|
102/112 | 71% | 4.05 | RR | Moscow Riichi 2022 | Moscow |