Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Aug. 3, 2025 (latest changes Aug. 2, 2025).
128 place (374.77).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (598.13 * 4 * 0.14 + 608.70 * 2.10 * 0.57 + 263.16 * 3.85 * 1 + 338.98 * 3.25 * 1 + 685.71 * 1.90 * 1 + 611.11 * 2 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.85 * 1 + 3.25 * 1 + 1.90 * 1 + 2 * 1) = 447.2616458156182
p2 = (685.71 * 1.90 * 1 + 611.11 * 2 * 1 + 338.98 * 3.25 * 1 + 263.16 * 3.85 * 1) / max_coefficients = 302.27557003257334
score = 447.2616458156182 * 0.5 + 302.27557003257334 * 0.5 = 374.76860792409576
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-30 | 127 -> 128 | 376.62 -> 374.77 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 126 -> 127 | 376.62 | |
| 2025-07-19 | 127 -> 126 | 376.62 | |
| 2025-07-14 | 128 -> 127 | 376.62 | |
| 2025-07-13 | 125 -> 128 | 376.62 | |
| 2025-07-12 | 127 -> 125 | 373.79 -> 376.62 | |
| 2025-07-05 | 126 -> 127 | 373.79 | |
| 2025-07-03 | 126 | 376.87 -> 373.79 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-25 | 127 -> 126 | 376.87 | |
| 2025-06-15 | 120 -> 127 | 381.27 -> 376.87 |