Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).

277 place (53.25).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

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 = 31.08108108108108

score = 75.40983606557377 * 0.5 + 31.08108108108108 * 0.5 = 53.245458573327426

Rating changes

Show

all results
Date Place Points Reason
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
2025-08-04 282 52.69 -> 52.84
2025-08-03 277 -> 282 52.69
2025-08-02 276 -> 277 52.69
2025-07-30 277 -> 276 52.69
2025-07-26 272 -> 277 52.69
2025-07-13 269 -> 272 52.69

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