Knyazeva Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
27 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 |
---|---|---|---|
2023-09-20 | 28 -> 27 | 540.14 | |
2023-09-03 | 39 -> 28 | 467.48 -> 540.14 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-26 | 38 -> 39 | 467.48 | |
2023-08-12 | 40 -> 38 | 451.65 -> 467.48 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 41 -> 40 | 451.65 | |
2023-07-20 | 42 -> 41 | 451.65 | |
2023-07-06 | 44 -> 42 | 451.65 | |
2023-07-03 | 45 -> 44 | 451.65 | |
2023-06-19 | 47 -> 45 | 451.65 | |
2023-06-12 | 49 -> 47 | 437.10 -> 451.65 |
Moscow Riichi 2022: 100% -> 86% |
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 |