Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date June 19, 2023 (latest changes June 19, 2023).
37 place (456.38).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (90.09 * 4.05 * 0.86 + 866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 0 + 0) / (4.05 * 0.86 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 464.7262867742249
p2 = (866.67 * 4.20 * 1 + 609.20 * 3.75 * 1 + 90.09 * 4.05 * 0.86) / max_coefficients = 448.033427900617
score = 464.7262867742249 * 0.5 + 448.033427900617 * 0.5 = 456.37985733742096
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-19 | 39 -> 37 | 456.38 | |
2023-06-12 | 42 -> 39 | 441.49 -> 456.38 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 58 -> 42 | 337.91 -> 441.49 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 60 -> 58 | 335.40 -> 337.91 | |
2023-05-20 | 61 -> 60 | 329.45 -> 335.40 | |
2023-05-06 | 62 -> 61 | 329.45 | |
2023-04-19 | 63 -> 62 | 326.72 -> 329.45 | |
2023-03-28 | 64 -> 63 | 324.01 -> 326.72 | |
2023-03-20 | 65 -> 64 | 318.87 -> 324.01 | |
2023-02-19 | 68 -> 65 | 316.98 -> 318.87 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 609 |
|
35/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 90 |
|
102/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |