Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 23, 2026 (latest changes May 23, 2026).

286 place (141.39).

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 * 0.71 + 478.26 * 1.60 * 1 + 105.26 * 1.50 * 1 + 0) / (1.20 * 0.57 + 1.90 * 0.71 + 1.60 * 1 + 1.50 * 1 + 1) = 200.04069772174157

p2 = (478.26 * 1.60 * 1 + 157.89 * 1.90 * 0.71 + 105.26 * 1.50 * 1 + 133.33 * 1.20 * 0.57) / max_coefficients = 82.74882154882157

score = 200.04069772174157 * 0.5 + 82.74882154882157 * 0.5 = 141.39475963528156

Rating changes

Show

all results
Date Place Points Reason
2026-05-23 285 -> 286 141.95 -> 141.39

Martenho's Spring tournament: 86% -> 71%
2026-05-17 284 -> 285 141.95
2026-05-14 285 -> 284 141.95
2026-05-12 290 -> 285 141.95
2026-05-11 296 -> 290 131.66 -> 141.95

Martenho's May Games 2026: 0% -> 100%
2026-05-05 297 -> 296 131.66
2026-05-04 298 -> 297 131.66
2026-05-03 291 -> 298 131.41 -> 131.66
2026-04-29 291 131.40 -> 131.41

Martenho's New Year's Eve tournament: 71% -> 57%
2026-04-19 280 -> 291 131.40

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 105 2026-05-11 18/20 100% 1.50 CRR Martenho's May Games 2026 Ufa
2 478 2026-03-07 13/24 100% 1.60 CRR Spring Martenho get-together 2026 Ufa
3 158 2025-03-23 17/20 71% 1.90 CRR Martenho's Spring tournament Ufa
4 133 2024-12-29 14/16 57% 1.20 CRR Martenho's New Year's Eve tournament Ufa