Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).
203 place (193.50).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (573.03 * 3.75 * 0.14 + 480 * 3.10 * 1 + 0 + 0 + 0) / (3.75 * 0.14 + 3.10 * 1 + 1 + 1 + 1) = 270.50991768229505
p2 = (480 * 3.10 * 1 + 573.03 * 3.75 * 0.14) / max_coefficients = 116.48734587929916
score = 270.50991768229505 * 0.5 + 116.48734587929916 * 0.5 = 193.4986317807971
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 205 -> 203 | 193.50 | |
| 2026-08-31 | 206 -> 205 | 193.31 -> 193.50 | |
| 2026-08-27 | 207 -> 206 | 193.31 | |
| 2026-08-16 | 206 -> 207 | 193.31 | |
| 2026-08-15 | 206 | 192.88 -> 193.31 | |
| 2026-08-13 | 198 -> 206 | 214.03 -> 192.88 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-04 | 200 -> 198 | 214.03 | |
| 2026-08-03 | 202 -> 200 | 214.03 | |
| 2026-07-25 | 199 -> 202 | 214.03 | |
| 2026-07-18 | 195 -> 199 | 214.03 |
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 | 14% | 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 |