Ratnikova Anna
From Samara, Russia
EMA: 15990370
Online rating
Rating date Jan. 26, 2026 (latest changes Jan. 21, 2026).
19 place (586.76).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 3.05 * 0.86) = 11.514155
p1 = (885.71 * 3.70 * 0.43 + 338.03 * 4.45 * 1 + 272.73 * 2.20 * 1 + 797.30 * 4.45 * 1 + 882.35 * 1.80 * 1) / (3.70 * 0.43 + 4.45 * 1 + 2.20 * 1 + 4.45 * 1 + 1.80 * 1) = 596.7918971794486
p2 = (797.30 * 4.45 * 1 + 882.35 * 1.80 * 1 + 338.03 * 4.45 * 1) / max_coefficients = 576.7196984928551
score = 596.7918971794486 * 0.5 + 576.7196984928551 * 0.5 = 586.7557978361518
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-18 | 19 | 576.24 -> 586.76 | |
| 2026-01-10 | 24 -> 19 | 527.97 -> 576.24 |
Yagi Keiji Cup [Tenhou]: 0% -> 100% |
| 2026-01-02 | 23 -> 24 | 527.97 | |
| 2025-12-28 | 25 -> 23 | 527.97 | |
| 2025-12-16 | 21 -> 25 | 554.43 -> 527.97 |
Shimmer League: 57% -> 43% |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 882 |
|
🥉 | 3/18 | 100% | 1.80 | ONLINE | Yagi Keiji Cup [Tenhou] | Russia |
| 2 | 797 |
|
16/75 | 100% | 4.45 | ONLINE | Kawa-league, season 2 | Russia | |
| 3 | 273 |
|
25/34 | 100% | 2.20 | ONLINE | Summer online tournament 2025 | Russia | |
| 4 | 338 |
|
48/72 | 100% | 4.45 | ONLINE | Kawa-league, season 1 | Russia | |
| 5 | 886 |
|
5/36 | 43% | 3.70 | ONLINE | Shimmer League | Moscow | |
| 6 | 800 |
|
12/56 | 0% | 2.80 | ONLINE | Summer Online Tournament | Russia | |
| 7 | 103 |
|
79/88 | 0% | 3.25 | ONLINE | Winter Team Fight | Russia | |
| 8 | 519 |
|
14/28 | 0% | 2.10 | ONLINE | Autumn Online Tournament | Russia | |
| 9 | 372 |
|
28/44 | 0% | 2.50 | ONLINE | Summer Online Tournament | Russia | |
| 10 | 650 |
|
37/104 | 0% | 3.45 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 11 | 586 |
|
42/100 | 0% | 3.40 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 12 | 655 |
|
20/56 | 0% | 2.80 | ONLINE | Autumn Online Tournament | Russia | |
| 13 | 465 |
|
39/72 | 0% | 3.05 | ONLINE | Summer Tournament | Russia | |
| 14 | 711 |
|
40/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 15 | 636 |
|
53/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia |