Epifanova Anna

From Saratov, Russia

Player page

Internal rating (RR)

Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).

185 place (230.44).

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

p1 = (557.14 * 3.50 * 0.57 + 372.09 * 3 * 0.86 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1 + 0) / (3.50 * 0.57 + 3 * 0.86 + 3 * 1 + 2.90 * 1 + 1) = 264.20339633168277

p2 = (557.14 * 3.50 * 0.57 + 372.09 * 3 * 0.86 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / max_coefficients = 196.67293964957815

score = 264.20339633168277 * 0.5 + 196.67293964957815 * 0.5 = 230.43816799063046

Rating changes

Show

all results
Date Place Points Reason
2026-09-03 177 -> 185 245.60 -> 230.44

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 178 -> 177 245.60
2026-08-31 178 245.25 -> 245.60
2026-08-27 177 -> 178 245.25
2026-08-15 178 -> 177 244.47 -> 245.25
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

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 57% 3.50 RR Riichi over The Volga 2025 Samara