Chukhnin Sergei
From Ufa, Russia
Online rating
Rating date March 18, 2026 (latest changes March 18, 2026).
88 place (79.61).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 2.40 * 1) = 11.3
p1 = (197.18 * 3.05 * 0.71 + 121.95 * 2.40 * 1 + 0 + 0 + 0) / (3.05 * 0.71 + 2.40 * 1 + 1 + 1 + 1) = 95.30369335294114
p2 = (197.18 * 3.05 * 0.71 + 121.95 * 2.40 * 1) / max_coefficients = 63.91769911504424
score = 95.30369335294114 * 0.5 + 63.91769911504424 * 0.5 = 79.61069623399268
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-10-16 | 76 | 96.98 -> 98.06 | |
| 2025-09-20 | 74 -> 76 | 96.98 |
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 | 71% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |