Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
23 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 | 31 -> 23 | 481.60 -> 540.14 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 32 -> 31 | 481.60 | |
2023-08-12 | 34 -> 32 | 464.73 -> 481.60 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 36 -> 34 | 464.73 | |
2023-07-20 | 37 -> 36 | 456.38 -> 464.73 | |
2023-07-06 | 38 -> 37 | 456.38 | |
2023-06-19 | 40 -> 38 | 456.38 | |
2023-06-12 | 43 -> 40 | 441.49 -> 456.38 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 59 -> 43 | 337.91 -> 441.49 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 61 -> 59 | 335.40 -> 337.91 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 523 |
|
52/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 609 |
|
35/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 90 |
|
102/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |