Chukhnin Sergei

From Ufa, Russia

Player page

Online rating

Rating date July 31, 2026 (latest changes July 21, 2026).

98 place (60.86).

max_coefficients = (4.45 * 1 + 4.45 * 0.86 + 2.30 * 1) = 10.564095000000002

p1 = (197.18 * 3.05 * 0.43 + 121.95 * 2.40 * 0.71 + 0 + 0 + 0) / (3.05 * 0.43 + 2.40 * 0.71 + 1 + 1 + 1) = 77.52488977090617

p2 = (197.18 * 3.05 * 0.43 + 121.95 * 2.40 * 0.71) / max_coefficients = 44.189303485059526

score = 77.52488977090617 * 0.5 + 44.189303485059526 * 0.5 = 60.85709662798285

Rating changes

Show

all results
Date Place Points Reason
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%
2026-05-18 95 -> 96 77.40 -> 70.25

Winter online tournament 2025: 71% -> 57%
2026-04-22 96 -> 95 77.40
2026-04-05 96 79.61 -> 77.40

Spring online tournament 2025: 100% -> 86%
2026-03-28 88 -> 96 79.61

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 122 2025-04-05 37/42 71% 2.40 ONLINE Spring online tournament 2025 Russia
2 197 2025-01-18 58/72 43% 3.05 ONLINE Winter online tournament 2025 Russia