Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 23, 2026 (latest changes March 21, 2026).

277 place (132.22).

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 + 478.26 * 1.60 * 1 + 0 + 0) / (1.20 * 0.71 + 1.90 * 1 + 1.60 * 1 + 1 + 1) = 185.5403985427455

p2 = (478.26 * 1.60 * 1 + 157.89 * 1.90 * 1 + 133.33 * 1.20 * 0.71) / max_coefficients = 78.89698996655518

score = 185.5403985427455 * 0.5 + 78.89698996655518 * 0.5 = 132.21869425465033

Rating changes

Show

all results
Date Place Points Reason
2026-03-21 269 -> 277 132.22
2026-03-19 270 -> 269 132.22
2026-03-15 271 -> 270 132.22
2026-03-14 268 -> 271 132.22
2026-03-12 270 -> 268 132.22
2026-03-10 271 -> 270 132.22
2026-03-07 303 -> 271 49.84 -> 132.22

Spring Martenho get-together 2026: 0% -> 100%
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

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 17/20 100% 1.90 CRR Martenho's Spring tournament Ufa
3 133 2024-12-29 14/16 71% 1.20 CRR Martenho's New Year's Eve tournament Ufa