Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 1, 2026 (latest changes March 1, 2026).

303 place (49.84).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (133.33 * 1.20 * 0.71 + 157.89 * 1.90 * 1 + 0 + 0 + 0) / (1.20 * 0.71 + 1.90 * 1 + 1 + 1 + 1) = 71.96082790820475

p2 = (157.89 * 1.90 * 1 + 133.33 * 1.20 * 0.71) / max_coefficients = 27.711705685618732

score = 71.96082790820475 * 0.5 + 27.711705685618732 * 0.5 = 49.836266796911744

Rating changes

Show

all results
Date Place Points Reason
2026-02-28 303 51.49 -> 49.84

Martenho's New Year's Eve tournament: 86% -> 71%
2026-02-25 305 -> 303 51.49
2026-02-23 297 -> 305 51.49
2026-02-08 296 -> 297 51.49
2026-01-30 297 -> 296 51.49
2026-01-25 291 -> 297 51.49
2026-01-10 292 -> 291 51.49
2026-01-07 290 -> 292 51.49
2026-01-03 286 -> 290 51.49
2025-12-29 285 -> 286 53.09 -> 51.49

Martenho's New Year's Eve tournament: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 158 2025-03-23 17/20 100% 1.90 CRR Martenho's Spring tournament Ufa
2 133 2024-12-29 14/16 71% 1.20 CRR Martenho's New Year's Eve tournament Ufa