Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date June 12, 2026 (latest changes June 9, 2026).
172 place (237.39).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (573.03 * 3.75 * 0.43 + 480 * 3.10 * 1 + 0 + 0 + 0) / (3.75 * 0.43 + 3.10 * 1 + 1 + 1 + 1) = 312.5641441499887
p2 = (480 * 3.10 * 1 + 573.03 * 3.75 * 0.43) / max_coefficients = 162.22289562289563
score = 312.5641441499887 * 0.5 + 162.22289562289563 * 0.5 = 237.39351988644216
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-09 | 165 -> 172 | 254.17 -> 237.39 |
Agari Summer Tournament 2024: 14% -> 0% |
| 2026-06-04 | 167 -> 165 | 254.17 | |
| 2026-06-02 | 168 -> 167 | 254.17 | |
| 2026-05-26 | 167 -> 168 | 254.17 | |
| 2026-05-17 | 165 -> 167 | 254.17 | |
| 2026-05-12 | 163 -> 165 | 274.01 -> 254.17 |
X Russian Championship: 14% -> 0% |
| 2026-05-03 | 161 -> 163 | 273.43 -> 274.01 | |
| 2026-05-01 | 163 -> 161 | 273.43 | |
| 2026-04-19 | 159 -> 163 | 273.43 | |
| 2026-04-16 | 160 -> 159 | 273.43 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 480 |
|
27/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 2 | 573 |
|
39/90 | 43% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 3 | 98 |
|
47/52 | 0% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 4 | 159 |
|
91/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 5 | 784 |
|
12/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | 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 |