Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).

321 place (141.68).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (133.33 * 1.20 * 0.14 + 157.89 * 1.90 * 0.43 + 478.26 * 1.60 * 1 + 105.26 * 1.50 * 1 + 0) / (1.20 * 0.14 + 1.90 * 0.43 + 1.60 * 1 + 1.50 * 1 + 1) = 211.28352949966774

p2 = (478.26 * 1.60 * 1 + 105.26 * 1.50 * 1 + 157.89 * 1.90 * 0.43 + 133.33 * 1.20 * 0.14) / max_coefficients = 72.06908115358819

score = 211.28352949966774 * 0.5 + 72.06908115358819 * 0.5 = 141.67630532662795

Rating changes

Show

all results
Date Place Points Reason
2026-11-08 319 -> 321 141.68
2026-11-04 319 140.51 -> 141.68
2026-11-03 321 -> 319 140.51
2026-11-02 322 -> 321 140.51
2026-11-01 318 -> 322 140.51
2026-10-31 314 -> 318 140.51
2026-10-29 314 139.98 -> 140.51

Martenho's New Year's Eve tournament: 29% -> 14%
2026-10-26 315 -> 314 139.98
2026-10-24 311 -> 315 139.98
2026-10-16 312 -> 311 139.98

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 43% 1.90 CRR Martenho's Spring tournament Ufa
4 133 2024-12-29 14/16 14% 1.20 CRR Martenho's New Year's Eve tournament Ufa