Chukhnin Sergei
From Ufa, Russia
Online rating
Rating date Oct. 1, 2026 (latest changes Sept. 21, 2026).
94 place (49.41).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 0.71 + 2.30 * 1) = 9.928635
p1 = (197.18 * 3.05 * 0.29 + 121.95 * 2.40 * 0.57 + 0 + 0 + 0) / (3.05 * 0.29 + 2.40 * 0.57 + 1 + 1 + 1) = 64.67222800269707
p2 = (197.18 * 3.05 * 0.29 + 121.95 * 2.40 * 0.57) / max_coefficients = 34.149709401141244
score = 64.67222800269707 * 0.5 + 34.149709401141244 * 0.5 = 49.41096870191916
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-21 | 98 -> 94 | 49.41 | |
| 2026-09-18 | 98 | 58.82 -> 49.41 |
Winter online tournament 2025: 43% -> 29% |
| 2026-08-27 | 98 | 57.54 -> 58.82 | |
| 2026-08-05 | 98 | 60.86 -> 57.54 |
Spring online tournament 2025: 71% -> 57% |
| 2026-07-18 | 98 | 68.96 -> 60.86 |
Winter online tournament 2025: 57% -> 43% |
| 2026-07-04 | 88 -> 98 | 68.96 | |
| 2026-06-27 | 88 | 67.47 -> 68.96 | |
| 2026-06-22 | 90 -> 88 | 67.47 | |
| 2026-06-16 | 96 -> 90 | 67.47 | |
| 2026-06-05 | 96 | 70.25 -> 67.47 |
Spring online tournament 2025: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 122 |
|
37/42 | 57% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 197 |
|
58/72 | 29% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |