Zharenkov Sergei

From Samara, Russia

Player page

Internal rating (RR)

Rating date July 15, 2026 (latest changes July 14, 2026).

226 place (143.61).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (142.86 * 3.50 * 0.71 + 272.73 * 3 * 1 + 167.83 * 4.71 * 1 + 0 + 0) / (3.50 * 0.71 + 3 * 1 + 4.71 * 1 + 1 + 1) = 161.00015970450573

p2 = (272.73 * 3 * 1 + 167.83 * 4.71 * 1 + 142.86 * 3.50 * 0.71) / max_coefficients = 126.22358516794863

score = 161.00015970450573 * 0.5 + 126.22358516794863 * 0.5 = 143.61187243622717

Rating changes

Show

all results
Date Place Points Reason
2026-07-12 224 -> 226 143.61
2026-07-03 223 -> 224 145.55 -> 143.61

Riichi over The Volga 2025: 86% -> 71%
2026-07-01 225 -> 223 145.55
2026-06-16 226 -> 225 145.55
2026-06-15 226 143.18 -> 145.55
2026-06-14 216 -> 226 111.24 -> 143.18

XII Russian Championship: 0% -> 100%
2026-06-13 217 -> 216 111.24
2026-06-09 220 -> 217 111.24
2026-06-04 223 -> 220 111.24
2026-05-17 222 -> 223 111.24

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 168 2026-06-14 120/144 100% 4.71 RR XII Russian Championship Samara
2 273 2026-01-25 41/56 100% 3.00 RR Riichi On Ice 2026 Samara
3 143 2025-05-03 61/71 71% 3.50 RR Riichi over The Volga 2025 Samara