Zharenkov Sergei

From Samara, Russia

Player page

Internal rating (RR)

Rating date Sept. 15, 2026 (latest changes Sept. 13, 2026).

235 place (142.35).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (142.86 * 3.50 * 0.57 + 272.73 * 3 * 1 + 167.83 * 4.71 * 1 + 0 + 0) / (3.50 * 0.57 + 3 * 1 + 4.71 * 1 + 1 + 1) = 161.77507920648338

p2 = (272.73 * 3 * 1 + 167.83 * 4.71 * 1 + 142.86 * 3.50 * 0.57) / max_coefficients = 122.93121349772875

score = 161.77507920648338 * 0.5 + 122.93121349772875 * 0.5 = 142.35314635210608

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 228 -> 235 142.35
2026-09-03 228 144.28 -> 142.35

Riichi over The Volga 2025: 71% -> 57%
2026-09-02 229 -> 228 144.28
2026-09-01 234 -> 229 144.28
2026-08-31 234 144.08 -> 144.28
2026-08-16 227 -> 234 144.08
2026-08-15 227 143.61 -> 144.08
2026-08-13 229 -> 227 143.61
2026-08-04 234 -> 229 143.61
2026-08-02 233 -> 234 143.61

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 57% 3.50 RR Riichi over The Volga 2025 Samara