Chukhnin Sergei
From Ufa, Russia
Online rating
Rating date April 11, 2026 (latest changes April 5, 2026).
96 place (77.40).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 2.30 * 1) = 11.2
p1 = (197.18 * 3.05 * 0.71 + 121.95 * 2.40 * 0.86 + 0 + 0 + 0) / (3.05 * 0.71 + 2.40 * 0.86 + 1 + 1 + 1) = 94.04124436557576
p2 = (197.18 * 3.05 * 0.71 + 121.95 * 2.40 * 0.86) / max_coefficients = 60.75446428571429
score = 94.04124436557576 * 0.5 + 60.75446428571429 * 0.5 = 77.39785432564503
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-05 | 96 | 79.61 -> 77.40 |
Spring online tournament 2025: 100% -> 86% |
| 2026-03-28 | 88 -> 96 | 79.61 | |
| 2026-03-18 | 88 | 85.51 -> 79.61 |
Winter online tournament 2025: 86% -> 71% |
| 2026-03-02 | 95 -> 88 | 85.51 | |
| 2026-02-28 | 96 -> 95 | 85.51 | |
| 2026-01-18 | 96 | 90.31 -> 85.51 |
Winter online tournament 2025: 100% -> 86% |
| 2026-01-10 | 89 -> 96 | 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 122 |
|
37/42 | 86% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 197 |
|
58/72 | 71% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |