Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 4, 2026 (latest changes April 4, 2026).

275 place (131.40).

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 * 0.86 + 478.26 * 1.60 * 1 + 0 + 0) / (1.20 * 0.71 + 1.90 * 0.86 + 1.60 * 1 + 1 + 1) = 186.7738039486333

p2 = (478.26 * 1.60 * 1 + 157.89 * 1.90 * 0.86 + 133.33 * 1.20 * 0.71) / max_coefficients = 76.0294314381271

score = 186.7738039486333 * 0.5 + 76.0294314381271 * 0.5 = 131.4016176933802

Rating changes

Show

all results
Date Place Points Reason
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
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%

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 71% 1.20 CRR Martenho's New Year's Eve tournament Ufa