Knyazeva Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
33 place (508.01).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (90.09 * 4.05 * 0.43 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 102.56 * 2.90 * 1 + 866.67 * 4.20 * 0.71) / (4.05 * 0.43 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 4.20 * 0.71) = 483.0276311607583
p2 = (866.67 * 4.20 * 0.71 + 609.20 * 3.75 * 1 + 523.36 * 4 * 1 + 102.56 * 2.90 * 1) / max_coefficients = 532.9961919581306
score = 483.0276311607583 * 0.5 + 532.9961919581306 * 0.5 = 508.01191155944446
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-01-20 | 32 -> 33 | 508.01 | |
| 2024-01-06 | 28 -> 32 | 522.23 -> 508.01 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-27 | 29 -> 28 | 522.23 | |
| 2023-12-12 | 30 -> 29 | 515.12 -> 522.23 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 31 -> 30 | 515.12 | |
| 2023-11-26 | 27 -> 31 | 535.07 -> 515.12 |
Autumn Agari tournament: 0% -> 100% |
| 2023-11-06 | 25 -> 27 | 548.33 -> 535.07 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-11-05 | 24 -> 25 | 548.33 | |
| 2023-10-22 | 23 -> 24 | 548.33 | |
| 2023-10-19 | 24 -> 23 | 548.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 103 |
|
36/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 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 | 71% | 4.20 | RR | IX Russian Riichi Championship |
| 5 | 90 |
|
102/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |