Epifanova Anna

From Saratov, Russia

Player page

Internal rating (RR)

Rating date Aug. 14, 2026 (latest changes Aug. 13, 2026).

178 place (244.47).

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 * 0.86 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1 + 0) / (3.50 * 0.71 + 3 * 0.86 + 3 * 1 + 2.90 * 1 + 1) = 276.4425064842311

p2 = (557.14 * 3.50 * 0.71 + 372.09 * 3 * 0.86 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / max_coefficients = 212.49304133590945

score = 276.4425064842311 * 0.5 + 212.49304133590945 * 0.5 = 244.46777391007026

Rating changes

Show

all results
Date Place Points Reason
2026-08-13 179 -> 178 244.47
2026-08-04 181 -> 179 244.47
2026-08-03 181 251.24 -> 244.47

Two roosters and Chuckles: 100% -> 86%
2026-07-25 179 -> 181 251.24
2026-07-18 178 -> 179 251.24
2026-07-12 174 -> 178 251.24
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

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 86% 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