Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
39 place (489.96).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (729.73 * 4.05 * 0.29 + 974.36 * 1.80 * 0.43 + 677.42 * 1.80 * 0.86 + 598.13 * 4 * 1 + 0) / (4.05 * 0.29 + 1.80 * 0.43 + 1.80 * 0.86 + 4 * 1 + 1) = 594.2019832742027
p2 = (598.13 * 4 * 1 + 677.42 * 1.80 * 0.86 + 729.73 * 4.05 * 0.29 + 974.36 * 1.80 * 0.43) / max_coefficients = 385.7269185617032
score = 594.2019832742027 * 0.5 + 385.7269185617032 * 0.5 = 489.96445091795295
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 39 | 481.48 -> 489.96 | |
| 2024-02-27 | 37 -> 39 | 496.26 -> 481.48 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 32 -> 37 | 503.67 -> 496.26 |
Earth cup: 100% -> 86% |
| 2024-02-12 | 28 -> 32 | 522.84 -> 503.67 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 29 -> 28 | 513.77 -> 522.84 | |
| 2023-12-27 | 28 -> 29 | 527.27 -> 513.77 |
Sun tournament: 71% -> 57% |
| 2023-12-12 | 28 | 545.01 -> 527.27 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 25 -> 28 | 580.43 -> 545.01 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-26 | 20 -> 25 | 582.05 -> 580.43 | |
| 2023-11-20 | 21 -> 20 | 582.05 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 598 |
|
44/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 677 |
|
11/32 | 86% | 1.80 | CRR | Earth cup |
| 3 | 974 |
|
2/40 | 43% | 1.80 | CRR | Sun tournament |
| 4 | 730 |
|
31/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 6 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 7 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
| 8 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |