Knyazeva Anna
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 20, 2025 (latest changes Nov. 19, 2025).
167 place (286.41).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (102.56 * 2.90 * 0.14 + 784.31 * 3.05 * 0.29 + 158.88 * 4.60 * 0.43 + 98.04 * 3.05 * 0.57 + 573.03 * 3.75 * 0.86) / (2.90 * 0.14 + 3.05 * 0.29 + 4.60 * 0.43 + 3.05 * 0.57 + 3.75 * 0.86) = 371.52996317375295
p2 = (573.03 * 3.75 * 0.86 + 784.31 * 3.05 * 0.29 + 158.88 * 4.60 * 0.43 + 98.04 * 3.05 * 0.57) / max_coefficients = 201.29364548494982
score = 371.52996317375295 * 0.5 + 201.29364548494982 * 0.5 = 286.4118043293514
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-15 | 168 -> 167 | 286.41 | |
| 2025-11-12 | 172 -> 168 | 282.03 -> 286.41 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 158 -> 172 | 303.50 -> 282.03 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 153 -> 158 | 308.75 -> 303.50 | |
| 2025-11-01 | 152 -> 153 | 308.33 -> 308.75 | |
| 2025-10-13 | 149 -> 152 | 320.41 -> 308.33 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-09 | 151 -> 149 | 315.74 -> 320.41 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 152 -> 151 | 315.74 | |
| 2025-09-26 | 154 -> 152 | 310.47 -> 315.74 |
Autumn Agari tournament: 29% -> 14% |
| 2025-09-25 | 155 -> 154 | 310.47 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 573 |
|
39/90 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 2 | 98 |
|
47/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 3 | 159 |
|
91/108 | 43% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 784 |
|
12/52 | 29% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 5 | 103 |
|
36/40 | 14% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 6 | 523 |
|
52/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 609 |
|
35/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 8 | 867 |
|
11/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 9 | 90 |
|
102/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |