Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date June 1, 2025 (latest changes May 30, 2025).
130 place (357.87).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (598.13 * 4 * 0.29 + 608.70 * 2.10 * 0.71 + 263.16 * 3.85 * 1 + 338.98 * 3.25 * 1 + 685.71 * 1.90 * 1) / (4 * 0.29 + 2.10 * 0.71 + 3.85 * 1 + 3.25 * 1 + 1.90 * 1) = 430.6779365497907
p2 = (685.71 * 1.90 * 1 + 338.98 * 3.25 * 1 + 263.16 * 3.85 * 1 + 608.70 * 2.10 * 0.71) / max_coefficients = 285.0567313426352
score = 430.6779365497907 * 0.5 + 285.0567313426352 * 0.5 = 357.86733394621297
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-04-27 | 120 -> 122 | 364.06 | |
| 2025-04-26 | 139 -> 120 | 315.98 -> 364.06 |
Seihoku spring tournament 2025: 0% -> 100% |
| 2025-04-22 | 140 -> 139 | 315.98 | |
| 2025-04-13 | 139 -> 140 | 315.98 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 686 |
|
12/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg |
| 2 | 339 |
|
40/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 3 | 263 |
|
71/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 4 | 609 |
|
19/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 5 | 598 |
|
44/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 6 | 677 |
|
11/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg |
| 7 | 974 |
|
2/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg |
| 8 | 730 |
|
31/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 9 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |
| 10 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 | Saint Petersburg |
| 11 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 | Saint Petersburg |
| 12 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 | Saint Petersburg |