Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 3, 2026 (latest changes May 3, 2026).

291 place (131.66).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (133.33 * 1.20 * 0.57 + 157.89 * 1.90 * 0.86 + 478.26 * 1.60 * 1 + 0 + 0) / (1.20 * 0.57 + 1.90 * 0.86 + 1.60 * 1 + 1 + 1) = 188.32228360023467

p2 = (478.26 * 1.60 * 1 + 157.89 * 1.90 * 0.86 + 133.33 * 1.20 * 0.57) / max_coefficients = 75.0013468013468

score = 188.32228360023467 * 0.5 + 75.0013468013468 * 0.5 = 131.66181520079073

Rating changes

Show

all results
Date Place Points Reason
2026-05-03 292 -> 291 131.41 -> 131.66
2026-04-29 292 131.40 -> 131.41

Martenho's New Year's Eve tournament: 71% -> 57%
2026-04-19 281 -> 292 131.40
2026-04-11 280 -> 281 131.40
2026-04-09 281 -> 280 131.40
2026-04-05 275 -> 281 131.40
2026-04-04 276 -> 275 131.40
2026-03-30 277 -> 276 131.40
2026-03-23 277 132.22 -> 131.40

Martenho's Spring tournament: 100% -> 86%
2026-03-21 269 -> 277 132.22

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 478 2026-03-07 13/24 100% 1.60 CRR Spring Martenho get-together 2026 Ufa
2 158 2025-03-23 17/20 86% 1.90 CRR Martenho's Spring tournament Ufa
3 133 2024-12-29 14/16 57% 1.20 CRR Martenho's New Year's Eve tournament Ufa