Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Feb. 16, 2025 (latest changes Feb. 16, 2025).
91 place (412.38).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (609.20 * 3.75 * 0.29 + 523.36 * 4 * 0.57 + 784.31 * 3.05 * 1 + 158.88 * 4.60 * 1 + 98.04 * 3.05 * 1 + 573.03 * 3.75 * 1) / (3.75 * 0.29 + 4 * 0.57 + 3.05 * 1 + 4.60 * 1 + 3.05 * 1 + 3.75 * 1) = 416.6782960047958
p2 = (784.31 * 3.05 * 1 + 573.03 * 3.75 * 1 + 523.36 * 4 * 0.57 + 158.88 * 4.60 * 1) / max_coefficients = 408.0807570977918
score = 416.6782960047958 * 0.5 + 408.0807570977918 * 0.5 = 412.3795265512938
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-16 | 86 -> 91 | 412.38 | |
| 2025-02-11 | 84 -> 86 | 423.02 -> 412.38 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 80 -> 84 | 423.02 | |
| 2025-01-26 | 76 -> 80 | 423.02 | |
| 2025-01-07 | 73 -> 76 | 423.02 | |
| 2025-01-03 | 69 -> 73 | 433.99 -> 423.02 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 67 -> 69 | 446.81 -> 433.99 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-06 | 67 | 453.34 -> 446.81 |
IX Russian Riichi Championship: 14% -> 0% |
| 2024-11-03 | 68 -> 67 | 463.88 -> 453.34 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 76 -> 68 | 409.06 -> 463.88 |
Moscow Riichi 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 573 |
|
39/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 98 |
|
47/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 3 | 159 |
|
91/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 784 |
|
12/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 5 | 523 |
|
52/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 6 | 609 |
|
35/88 | 29% | 3.75 | RR | Money can not buy tenpai |
| 7 | 867 |
|
11/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
| 8 | 90 |
|
102/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |