Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date June 15, 2025 (latest changes June 15, 2025).
127 place (376.87).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (338.98 * 3.25 * 1 + 598.13 * 4 * 0.29 + 685.71 * 1.90 * 1 + 608.70 * 2.10 * 0.71 + 263.16 * 3.85 * 1 + 611.11 * 2 * 1) / (3.25 * 1 + 4 * 0.29 + 1.90 * 1 + 2.10 * 0.71 + 3.85 * 1 + 2 * 1) = 457.12876287397853
p2 = (685.71 * 1.90 * 1 + 611.11 * 2 * 1 + 338.98 * 3.25 * 1 + 263.16 * 3.85 * 1) / max_coefficients = 296.6202679083992
score = 457.12876287397853 * 0.5 + 296.6202679083992 * 0.5 = 376.8745153911889
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 120 -> 127 | 381.27 -> 376.87 | |
| 2025-06-14 | 127 -> 120 | 357.87 -> 381.27 |
Tonpu-master: 0% -> 100% |
| 2025-06-11 | 131 -> 127 | 357.87 | |
| 2025-06-08 | 130 -> 131 | 357.87 | |
| 2025-05-30 | 124 -> 130 | 366.11 -> 357.87 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-17 | 122 -> 124 | 366.11 | |
| 2025-05-12 | 127 -> 122 | 359.95 -> 366.11 | |
| 2025-05-10 | 128 -> 127 | 359.95 | |
| 2025-05-05 | 129 -> 128 | 359.95 | |
| 2025-05-03 | 122 -> 129 | 364.06 -> 359.95 |
SPB Riichi Open 2023: 43% -> 29% |