Epifanova Anna

From Saratov, Russia

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Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

174 place (251.24).

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

p1 = (557.14 * 3.50 * 0.71 + 372.09 * 3 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1 + 0) / (3.50 * 0.71 + 3 * 1 + 3 * 1 + 2.90 * 1 + 1) = 279.749678428716

p2 = (557.14 * 3.50 * 0.71 + 372.09 * 3 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / max_coefficients = 222.73568120425503

score = 279.749678428716 * 0.5 + 222.73568120425503 * 0.5 = 251.24267981648552

Rating changes

Show

all results
Date Place Points Reason
2026-07-03 171 -> 174 265.56 -> 251.24

Riichi over The Volga 2025: 86% -> 71%
2026-07-01 172 -> 171 265.56
2026-06-16 173 -> 172 265.56
2026-06-15 173 261.19 -> 265.56
2026-06-14 154 -> 173 271.42 -> 261.19
2026-06-09 155 -> 154 271.42
2026-06-04 157 -> 155 271.42
2026-06-02 158 -> 157 271.42
2026-05-17 156 -> 158 271.42
2026-05-14 155 -> 156 271.42

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 143 2026-05-03 37/43 100% 2.90 RR Sturgeon in tempai Saratov
2 182 2026-01-25 46/56 100% 3.00 RR Riichi On Ice 2026 Samara
3 372 2025-08-03 28/44 100% 3.00 RR Two roosters and Chuckles Kirov
4 557 2025-05-03 32/71 71% 3.50 RR Riichi over The Volga 2025 Samara