Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date May 10, 2026 (latest changes May 7, 2026).
41 place (612.43).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (263.16 * 3.85 * 0.29 + 338.98 * 3.25 * 0.71 + 685.71 * 1.90 * 0.86 + 779.22 * 3.45 * 1 + 851.35 * 3.40 * 1 + 460 * 3.10 * 1 + 933.33 * 1.70 * 1) / (3.85 * 0.29 + 3.25 * 0.71 + 1.90 * 0.86 + 3.45 * 1 + 3.40 * 1 + 3.10 * 1 + 1.70 * 1) = 646.0304277088918
p2 = (851.35 * 3.40 * 1 + 779.22 * 3.45 * 1 + 933.33 * 1.70 * 1 + 460 * 3.10 * 1) / max_coefficients = 578.8262626262626
score = 646.0304277088918 * 0.5 + 578.8262626262626 * 0.5 = 612.4283451675772
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-07 | 40 -> 41 | 612.43 | |
| 2026-05-03 | 39 -> 40 | 610.49 -> 612.43 | |
| 2026-05-01 | 41 -> 39 | 604.39 -> 610.49 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-26 | 41 | 604.79 -> 604.39 |
Seihoku spring tournament 2025: 100% -> 86% |
| 2026-04-16 | 43 -> 41 | 600.97 -> 604.79 |
White Wolf Cup: 86% -> 71% |
| 2026-04-11 | 46 -> 43 | 575.49 -> 600.97 |
Seihoku spring tournament 2026: 0% -> 100% |
| 2026-04-05 | 45 -> 46 | 575.25 -> 575.49 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-04-04 | 44 -> 45 | 575.25 | |
| 2026-03-30 | 45 -> 44 | 575.05 -> 575.25 |
Seihoku spring tournament 2024: 14% -> 0% |
| 2026-03-07 | 46 -> 45 | 575.05 |