Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).

278 place (53.09).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (133.33 * 1.20 * 1 + 157.89 * 1.90 * 1 + 0 + 0 + 0) / (1.20 * 1 + 1.90 * 1 + 1 + 1 + 1) = 75.40983606557377

p2 = (157.89 * 1.90 * 1 + 133.33 * 1.20 * 1) / max_coefficients = 30.76923076923077

score = 75.40983606557377 * 0.5 + 30.76923076923077 * 0.5 = 53.08953341740227

Rating changes

Show

all results
Date Place Points Reason
2025-11-04 274 -> 278 53.79 -> 53.09
2025-11-01 274 53.73 -> 53.79
2025-10-27 275 -> 274 53.73
2025-10-22 276 -> 275 53.73
2025-10-13 276 53.25 -> 53.73
2025-09-30 277 -> 276 53.25
2025-09-03 287 -> 277 53.25
2025-09-01 287 52.84 -> 53.25
2025-08-31 281 -> 287 52.84
2025-08-25 282 -> 281 52.84

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 158 2025-03-23 17/20 100% 1.90 CRR Martenho's Spring tournament Ufa
2 133 2024-12-29 14/16 100% 1.20 CRR Martenho's New Year's Eve tournament Ufa