Chukhnin Sergei

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 15, 2025 (latest changes June 15, 2025).

273 place (52.41).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

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 = 29.40676329984798

score = 75.40983606557377 * 0.5 + 29.40676329984798 * 0.5 = 52.408299682710876

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 263 -> 273 52.84 -> 52.41
2025-06-14 258 -> 263 52.84
2025-06-11 264 -> 258 52.84
2025-06-08 262 -> 264 52.84
2025-05-17 259 -> 262 52.84
2025-05-12 260 -> 259 52.22 -> 52.84
2025-05-03 256 -> 260 52.22
2025-05-01 261 -> 256 52.22
2025-04-27 256 -> 261 52.22
2025-04-26 254 -> 256 52.22

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