Ushakov Sergei

From Samara, Russia

Player page

Internal rating (RR)

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

167 place (276.01).

max_coefficients = (4.71 * 1 + 4.10 * 1 + 3.90 * 1 + 3.45 * 1) = 16.16

p1 = (600 * 3 * 1 + 261.90 * 2.90 * 1 + 286.71 * 4.71 * 1 + 0 + 0) / (3 * 1 + 2.90 * 1 + 4.71 * 1 + 1 + 1) = 310.0666137985726

p2 = (600 * 3 * 1 + 286.71 * 4.71 * 1 + 261.90 * 2.90 * 1) / max_coefficients = 241.95173267326732

score = 310.0666137985726 * 0.5 + 241.95173267326732 * 0.5 = 276.00917323591995

Rating changes

Show

all results
Date Place Points Reason
2026-06-14 173 -> 167 229.97 -> 276.01

XII Russian Championship: 0% -> 100%
2026-06-13 175 -> 173 229.97
2026-06-09 176 -> 175 229.97
2026-06-04 177 -> 176 229.97
2026-06-02 179 -> 177 229.97
2026-05-26 180 -> 179 229.97
2026-05-17 177 -> 180 229.97
2026-05-14 176 -> 177 229.97
2026-05-12 185 -> 176 229.97
2026-05-03 185 229.97

Sturgeon in tempai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 287 2026-06-14 103/144 100% 4.71 RR XII Russian Championship Samara
2 262 2026-05-03 32/43 100% 2.90 RR Sturgeon in tempai Saratov
3 600 2026-01-25 23/56 100% 3.00 RR Riichi On Ice 2026 Samara