Epifanova Anna
From Saratov, Russia
Common russian riichi rating (CRR)
Rating date July 22, 2026 (latest changes July 18, 2026).
174 place (328.19).
how we calculated rating score
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 + 900 * 1.50 * 1 + 181.82 * 3 * 1 + 142.86 * 2.90 * 1) / (3.50 * 0.71 + 3 * 1 + 1.50 * 1 + 3 * 1 + 2.90 * 1) = 373.55746683152387
p2 = (557.14 * 3.50 * 0.71 + 900 * 1.50 * 1 + 372.09 * 3 * 1 + 181.82 * 3 * 1) / max_coefficients = 282.81680301474694
score = 373.55746683152387 * 0.5 + 282.81680301474694 * 0.5 = 328.18713492313543
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-18 | 171 -> 174 | 328.19 | |
| 2026-07-12 | 169 -> 171 | 328.19 | |
| 2026-07-11 | 168 -> 169 | 328.19 | |
| 2026-07-03 | 161 -> 168 | 340.55 -> 328.19 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-06-26 | 162 -> 161 | 340.55 | |
| 2026-06-16 | 163 -> 162 | 340.55 | |
| 2026-06-15 | 164 -> 163 | 335.10 -> 340.55 | |
| 2026-06-14 | 144 -> 164 | 347.88 -> 335.10 | |
| 2026-06-13 | 145 -> 144 | 347.88 | |
| 2026-06-09 | 147 -> 145 | 347.88 |
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 | 71% | 3.50 | RR | Riichi over The Volga 2025 | Samara |