Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
17 place (544.75).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (90.09 * 4.05 * 0.57 + 866.67 * 4.20 * 0.86 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 0) / (4.05 * 0.57 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1) = 525.5227260793276
p2 = (866.67 * 4.20 * 0.86 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 90.09 * 4.05 * 0.57) / max_coefficients = 563.9831410883643
score = 525.5227260793276 * 0.5 + 563.9831410883643 * 0.5 = 544.752933583846
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2023-09-20 | 22 -> 20 | 540.14 | |
2023-09-03 | 30 -> 22 | 481.60 -> 540.14 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 31 -> 30 | 481.60 | |
2023-08-12 | 33 -> 31 | 464.73 -> 481.60 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 35 -> 33 | 464.73 | |
2023-07-20 | 36 -> 35 | 456.38 -> 464.73 | |
2023-07-06 | 37 -> 36 | 456.38 |
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 | 86% | 4.20 | RR | IX Russian Riichi Championship |
4 | 90 |
|
102/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |