Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Nov. 2, 2025 (latest changes Nov. 2, 2025).
21 place (554.43).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 3.05 * 1) = 11.95
p1 = (885.71 * 3.70 * 0.57 + 338.03 * 4.45 * 1 + 272.73 * 2.20 * 1 + 797.30 * 4.45 * 1 + 0) / (3.70 * 0.57 + 4.45 * 1 + 2.20 * 1 + 4.45 * 1 + 1) = 529.3840376300286
p2 = (797.30 * 4.45 * 1 + 885.71 * 3.70 * 0.57 + 338.03 * 4.45 * 1) / max_coefficients = 579.4778242677825
score = 529.3840376300286 * 0.5 + 579.4778242677825 * 0.5 = 554.4309309489056
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-31 | 46 -> 21 | 385.57 -> 554.43 |
Kawa-league, season 2: 0% -> 100% |
| 2025-10-25 | 42 -> 46 | 385.57 | |
| 2025-10-16 | 36 -> 42 | 415.93 -> 385.57 |
Shimmer League: 71% -> 57% |
| 2025-09-02 | 35 -> 36 | 415.93 | |
| 2025-08-16 | 33 -> 35 | 438.01 -> 415.93 |
Shimmer League: 86% -> 71% |
| 2025-07-05 | 34 -> 33 | 405.13 -> 438.01 |
Summer online tournament 2025: 0% -> 100% |
| 2025-07-02 | 36 -> 34 | 405.13 | |
| 2025-06-27 | 15 -> 36 | 450.97 -> 405.13 |
Kawa-league, season 1: 0% -> 100% |
| 2024-06-22 | 13 -> 15 | 450.97 | |
| 2024-06-16 | 42 -> 13 | 237.47 -> 450.97 |
Shimmer League: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 797 |
|
16/75 | 100% | 4.45 | ONLINE | Kawa-league, season 2 | Russia | |
| 2 | 273 |
|
25/34 | 100% | 2.20 | ONLINE | Summer online tournament 2025 | Russia | |
| 3 | 338 |
|
48/72 | 100% | 4.45 | ONLINE | Kawa-league, season 1 | Russia | |
| 4 | 886 |
|
5/36 | 57% | 3.70 | ONLINE | Shimmer League | Moscow | |
| 5 | 800 |
|
12/56 | 0% | 2.80 | ONLINE | Summer Online Tournament | Russia | |
| 6 | 103 |
|
79/88 | 0% | 3.25 | ONLINE | Winter Team Fight | Russia | |
| 7 | 519 |
|
14/28 | 0% | 2.10 | ONLINE | Autumn Online Tournament | Russia | |
| 8 | 372 |
|
28/44 | 0% | 2.50 | ONLINE | Summer Online Tournament | Russia | |
| 9 | 650 |
|
37/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 10 | 586 |
|
42/100 | 0% | 3.40 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 11 | 655 |
|
20/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament | Russia | |
| 12 | 465 |
|
39/72 | 0% | 3.05 | ONLINE | Summer Tournament | Russia | |
| 13 | 711 |
|
40/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 14 | 636 |
|
53/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia |