Patrikeeva Sofiya
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Dec. 15, 2025 (latest changes Dec. 13, 2025).
279 place (79.55).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (612.90 * 1.80 * 0.43 + 33.71 * 3.75 * 0.71 + 98.04 * 3.05 * 1 + 0 + 0) / (1.80 * 0.43 + 3.75 * 0.71 + 3.05 * 1 + 1 + 1) = 101.42815882862624
p2 = (612.90 * 1.80 * 0.43 + 98.04 * 3.05 * 1 + 33.71 * 3.75 * 0.71) / max_coefficients = 57.66889632107023
score = 101.42815882862624 * 0.5 + 57.66889632107023 * 0.5 = 79.54852757484824
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-13 | 280 -> 279 | 78.15 -> 79.55 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-07 | 277 -> 280 | 78.15 | |
| 2025-12-06 | 271 -> 277 | 78.15 | |
| 2025-11-25 | 272 -> 271 | 78.15 | |
| 2025-11-19 | 268 -> 272 | 90.54 -> 78.15 |
"Green Dragon" in the Secret Chamber: 57% -> 43% |
| 2025-11-12 | 269 -> 268 | 90.54 | |
| 2025-11-04 | 263 -> 269 | 92.12 -> 90.54 | |
| 2025-11-01 | 263 | 92.00 -> 92.12 | |
| 2025-10-27 | 264 -> 263 | 92.00 | |
| 2025-10-25 | 265 -> 264 | 92.00 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 98 |
|
47/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 2 | 34 |
|
87/90 | 71% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 3 | 613 |
|
13/32 | 43% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov |