Chukhnin Sergei
From Ufa, Russia
Online rating
Rating date Oct. 31, 2025 (latest changes Oct. 31, 2025).
89 place (90.31).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 3.05 * 1) = 11.95
p1 = (197.18 * 3.05 * 1 + 121.95 * 2.40 * 1 + 0 + 0 + 0) / (3.05 * 1 + 2.40 * 1 + 1 + 1 + 1) = 105.8094674556213
p2 = (197.18 * 3.05 * 1 + 121.95 * 2.40 * 1) / max_coefficients = 74.81924686192468
score = 105.8094674556213 * 0.5 + 74.81924686192468 * 0.5 = 90.31435715877299
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-31 | 81 -> 89 | 98.06 -> 90.31 | |
| 2025-10-25 | 75 -> 81 | 98.06 | |
| 2025-10-22 | 76 -> 75 | 98.06 | |
| 2025-10-16 | 76 | 96.98 -> 98.06 | |
| 2025-09-20 | 74 -> 76 | 96.98 | |
| 2025-08-16 | 74 | 94.80 -> 96.98 | |
| 2025-07-05 | 71 -> 74 | 94.80 | |
| 2025-07-02 | 82 -> 71 | 94.80 | |
| 2025-06-27 | 58 -> 82 | 104.76 -> 94.80 | |
| 2025-06-16 | 58 | 101.76 -> 104.76 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 122 |
|
37/42 | 100% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 197 |
|
58/72 | 100% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |