Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
91 place (466.66).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
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 + 779.22 * 3.45 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.85 * 1 + 3.25 * 1 + 1.90 * 1 + 2 * 1 + 3.45 * 1) = 517.8626690190944
p2 = (779.22 * 3.45 * 1 + 685.71 * 1.90 * 1 + 611.11 * 2 * 1 + 338.98 * 3.25 * 1) / max_coefficients = 415.4657894736842
score = 517.8626690190944 * 0.5 + 415.4657894736842 * 0.5 = 466.66422924638925
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 124 -> 91 | 376.26 -> 466.66 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-26 | 125 -> 124 | 376.26 | |
| 2025-08-25 | 127 -> 125 | 376.26 | |
| 2025-08-04 | 130 -> 127 | 374.77 -> 376.26 | |
| 2025-08-03 | 128 -> 130 | 374.77 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 779 |
|
18/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 611 |
|
8/19 | 100% | 2.00 | CRR | Tonpu-master | Saint Petersburg | |
| 3 | 686 |
|
12/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 4 | 339 |
|
40/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 5 | 263 |
|
71/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 6 | 609 |
|
19/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 7 | 598 |
|
44/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 8 | 677 |
|
11/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 9 | 974 |
|
🥈 | 2/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg |
| 10 | 730 |
|
31/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 11 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 12 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 | Saint Petersburg | |
| 13 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 | Saint Petersburg | |
| 14 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 | Saint Petersburg |