Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date June 11, 2023 (latest changes June 11, 2023).
20 place (588.04).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8
p1 = (773.33 * 3.45 * 0.43 + 729.73 * 4.05 * 1 + 677.42 * 1.80 * 1 + 974.36 * 1.80 * 1 + 0) / (3.45 * 0.43 + 4.05 * 1 + 1.80 * 1 + 1.80 * 1 + 1) = 698.226914293782
p2 = (729.73 * 4.05 * 1 + 974.36 * 1.80 * 1 + 677.42 * 1.80 * 1 + 773.33 * 3.45 * 0.43) / max_coefficients = 477.8452702702703
score = 698.226914293782 * 0.5 + 477.8452702702703 * 0.5 = 588.0360922820262
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-11 | 8 -> 20 | 610.08 -> 588.04 | |
| 2023-05-28 | 8 | 625.88 -> 610.08 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 9 -> 8 | 616.09 -> 625.88 | |
| 2023-05-06 | 11 -> 9 | 616.09 | |
| 2023-03-28 | 10 -> 11 | 631.25 -> 616.09 |
Saint Petersburg Open 2021: 71% -> 57% |
| 2023-03-20 | 12 -> 10 | 621.67 -> 631.25 | |
| 2023-03-06 | 13 -> 12 | 621.67 | |
| 2023-02-25 | 24 -> 13 | 547.99 -> 621.67 |
Earth cup: 0% -> 100% |
| 2023-02-19 | 26 -> 24 | 547.99 | |
| 2023-01-28 | 20 -> 26 | 561.53 -> 547.99 |
Saint Petersburg Open 2021: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 677 |
|
11/32 | 100% | 1.80 | CRR | Earth cup |
| 2 | 974 |
|
2/40 | 100% | 1.80 | CRR | Sun tournament |
| 3 | 730 |
|
31/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 773 |
|
18/76 | 43% | 3.45 | RR | Saint Petersburg Open 2021 |
| 5 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 6 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
| 7 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |