Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
6 place (640.90).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (90.09 * 4.05 * 0.14 + 866.67 * 4.20 * 0.43 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 784.31 * 3.05 * 1) / (4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 4 * 1 + 3.05 * 1) = 636.0441509947937
p2 = (784.31 * 3.05 * 1 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 866.67 * 4.20 * 0.43) / max_coefficients = 645.7519379844961
score = 636.0441509947937 * 0.5 + 645.7519379844961 * 0.5 = 640.8980444896449
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 6 | 658.27 -> 640.90 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 6 | 647.07 -> 658.27 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-10 | 18 -> 6 | 556.78 -> 647.07 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 16 -> 18 | 571.75 -> 556.78 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 17 -> 16 | 550.21 -> 571.75 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 15 -> 17 | 564.16 -> 550.21 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-12 | 17 -> 15 | 544.75 -> 564.16 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-06 | 17 | 557.83 -> 544.75 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-10-19 | 18 -> 17 | 557.83 | |
| 2023-10-12 | 20 -> 18 | 540.14 -> 557.83 |
Moscow Riichi 2022: 71% -> 57% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 784 |
|
12/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 2 | 523 |
|
52/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 609 |
|
35/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 4 | 867 |
|
11/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 5 | 90 |
|
102/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |