Epifanova Anna

From Saratov, Russia

Player page

Internal rating (RR)

Rating date May 22, 2026 (latest changes May 17, 2026).

158 place (271.42).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (557.14 * 3.50 * 0.86 + 372.09 * 3 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1 + 0) / (3.50 * 0.86 + 3 * 1 + 3 * 1 + 2.90 * 1 + 1) = 290.4971763237557

p2 = (557.14 * 3.50 * 0.86 + 372.09 * 3 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / max_coefficients = 252.34814814814814

score = 290.4971763237557 * 0.5 + 252.34814814814814 * 0.5 = 271.4226622359519

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 156 -> 158 271.42
2026-05-14 155 -> 156 271.42
2026-05-12 164 -> 155 271.42
2026-05-03 160 -> 164 277.83 -> 271.42

Riichi over The Volga 2025: 100% -> 86%

Sturgeon in tempai: 0% -> 100%
2026-05-01 162 -> 160 277.83
2026-04-19 158 -> 162 277.83
2026-04-16 159 -> 158 277.83
2026-04-13 161 -> 159 277.83
2026-04-11 157 -> 161 277.83
2026-04-05 153 -> 157 277.83

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 86% 3.50 RR Riichi over The Volga 2025 Samara