Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Online rating
Rating date March 28, 2026 (latest changes March 28, 2026).
54 place (391.23).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 2.40 * 1) = 11.3
p1 = (600 * 1.80 * 0.29 + 535.21 * 3.05 * 0.71 + 323.94 * 4.45 * 1 + 285.71 * 2.30 * 1 + 310.81 * 4.45 * 1 + 677.42 * 2.20 * 1) / (1.80 * 0.29 + 3.05 * 0.71 + 4.45 * 1 + 2.30 * 1 + 4.45 * 1 + 2.20 * 1) = 400.5934303224253
p2 = (677.42 * 2.20 * 1 + 323.94 * 4.45 * 1 + 310.81 * 4.45 * 1) / max_coefficients = 381.8566371681415
score = 400.5934303224253 * 0.5 + 381.8566371681415 * 0.5 = 391.22503374528344
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-28 | 58 -> 54 | 354.96 -> 391.23 |
Spring online tournament 2025: 0% -> 100% |
| 2026-03-21 | 59 -> 58 | 354.96 | |
| 2026-03-18 | 58 -> 59 | 364.51 -> 354.96 |
Winter online tournament 2025: 86% -> 71% |
| 2026-02-22 | 58 | 366.61 -> 364.51 |
Royale roulette: 43% -> 29% |
| 2026-01-18 | 57 -> 58 | 372.12 -> 366.61 |
Winter online tournament 2025: 100% -> 86% |
| 2026-01-10 | 55 -> 57 | 372.12 | |
| 2025-12-22 | 55 | 374.05 -> 372.12 |
Royale roulette: 57% -> 43% |
| 2025-12-16 | 57 -> 55 | 374.05 | |
| 2025-10-31 | 49 -> 57 | 372.24 -> 374.05 |
Kawa-league, season 2: 0% -> 100% |
| 2025-10-25 | 46 -> 49 | 361.70 -> 372.24 |
Final Cup Qualifiers 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 677 |
|
11/32 | 100% | 2.20 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 311 |
|
52/75 | 100% | 4.45 | ONLINE | Kawa-league, season 2 | Russia | |
| 3 | 286 |
|
26/36 | 100% | 2.30 | ONLINE | Final Cup Qualifiers 2025 | Russia | |
| 4 | 324 |
|
49/72 | 100% | 4.45 | ONLINE | Kawa-league, season 1 | Russia | |
| 5 | 535 |
|
34/72 | 71% | 3.05 | ONLINE | Winter online tournament 2025 | Russia | |
| 6 | 600 |
|
7/16 | 29% | 1.80 | ONLINE | Royale roulette | Russia | |
| 7 | 634 |
|
46/124 | 0% | 3.06 | ONLINE | Be cool stay home | Russia | |
| 8 | 576 |
|
60/140 | 0% | 3.70 | ONLINE | Corona go away | Russia | |
| 9 | 189 |
|
117/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 | Russia |