Epifanova Anna
From Saratov, Russia
Common russian riichi rating (CRR)
Rating date May 22, 2026 (latest changes May 19, 2026).
153 place (347.88).
how we calculated rating score
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 + 900 * 1.50 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / (3.50 * 0.86 + 3 * 1 + 1.50 * 1 + 3 * 1 + 2.90 * 1) = 380.4050045336328
p2 = (557.14 * 3.50 * 0.86 + 900 * 1.50 * 1 + 372.09 * 3 * 1 + 181.82 * 3 * 1) / max_coefficients = 315.3589225589226
score = 380.4050045336328 * 0.5 + 315.3589225589226 * 0.5 = 347.8819635462777
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 148 -> 153 | 347.88 | |
| 2026-05-14 | 149 -> 148 | 347.88 | |
| 2026-05-12 | 151 -> 149 | 347.88 | |
| 2026-05-11 | 149 -> 151 | 347.88 | |
| 2026-05-07 | 148 -> 149 | 347.88 | |
| 2026-05-05 | 149 -> 148 | 347.88 | |
| 2026-05-03 | 137 -> 149 | 372.68 -> 347.88 |
Riichi over The Volga 2025: 100% -> 86% Sturgeon in tempai: 0% -> 100% |
| 2026-05-02 | 136 -> 137 | 372.68 | |
| 2026-05-01 | 139 -> 136 | 372.68 | |
| 2026-04-26 | 140 -> 139 | 372.68 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 143 |
|
37/43 | 100% | 2.90 | RR | Sturgeon in tempai | Saratov | |
| 2 | 182 |
|
46/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara | |
| 3 | 900 |
|
🥉 | 3/21 | 100% | 1.50 | CRR | San-Biki Cup | Saratov |
| 4 | 372 |
|
28/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 5 | 557 |
|
32/71 | 86% | 3.50 | RR | Riichi over The Volga 2025 | Samara |