Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Nov. 6, 2025 (latest changes Nov. 5, 2025).
82 place (477.40).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (608.70 * 2.10 * 0.43 + 263.16 * 3.85 * 0.71 + 338.98 * 3.25 * 1 + 685.71 * 1.90 * 1 + 611.11 * 2 * 1 + 779.22 * 3.45 * 1) / (2.10 * 0.43 + 3.85 * 0.71 + 3.25 * 1 + 1.90 * 1 + 2 * 1 + 3.45 * 1) = 532.3914929809338
p2 = (779.22 * 3.45 * 1 + 685.71 * 1.90 * 1 + 611.11 * 2 * 1 + 338.98 * 3.25 * 1) / max_coefficients = 422.41337792642145
score = 532.3914929809338 * 0.5 + 422.41337792642145 * 0.5 = 477.40243545367764
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 80 -> 82 | 487.00 -> 477.40 | |
| 2025-11-01 | 85 -> 80 | 481.24 -> 487.00 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 86 -> 85 | 474.54 -> 481.24 | |
| 2025-10-04 | 88 -> 86 | 474.54 | |
| 2025-09-30 | 86 -> 88 | 475.40 -> 474.54 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-26 | 87 -> 86 | 475.40 | |
| 2025-09-14 | 88 -> 87 | 475.40 | |
| 2025-09-12 | 90 -> 88 | 475.40 | |
| 2025-09-10 | 91 -> 90 | 475.40 | |
| 2025-09-03 | 91 | 476.75 -> 475.40 |
SPB Riichi Open 2023: 14% -> 0% |