Chukhnin Sergei
From Ufa, Russia
Online rating
Rating date Jan. 26, 2026 (latest changes Jan. 21, 2026).
95 place (85.51).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 3.05 * 0.86) = 11.514155
p1 = (197.18 * 3.05 * 0.86 + 121.95 * 2.40 * 1 + 0 + 0 + 0) / (3.05 * 0.86 + 2.40 * 1 + 1 + 1 + 1) = 100.84032564880518
p2 = (197.18 * 3.05 * 0.86 + 121.95 * 2.40 * 1) / max_coefficients = 70.18752135957871
score = 100.84032564880518 * 0.5 + 70.18752135957871 * 0.5 = 85.51392350419195
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-18 | 95 | 90.31 -> 85.51 |
Winter online tournament 2025: 100% -> 86% |
| 2026-01-10 | 89 -> 95 | 90.31 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 122 |
|
37/42 | 100% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 197 |
|
58/72 | 86% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |