Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date June 19, 2023 (latest changes June 19, 2023).
16 place (581.96).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (773.33 * 3.45 * 0.43 + 974.36 * 1.80 * 1 + 729.73 * 4.05 * 0.86 + 677.42 * 1.80 * 1 + 0) / (3.45 * 0.43 + 1.80 * 1 + 4.05 * 0.86 + 1.80 * 1 + 1) = 696.3175103469399
p2 = (729.73 * 4.05 * 0.86 + 974.36 * 1.80 * 1 + 677.42 * 1.80 * 1 + 773.33 * 3.45 * 0.43) / max_coefficients = 467.5944563261119
score = 696.3175103469399 * 0.5 + 467.5944563261119 * 0.5 = 581.955983336526
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-19 | 17 -> 16 | 581.96 | |
| 2023-06-12 | 19 -> 17 | 588.04 -> 581.96 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 7 -> 19 | 610.08 -> 588.04 | |
| 2023-05-28 | 7 | 625.88 -> 610.08 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 8 -> 7 | 616.09 -> 625.88 | |
| 2023-05-06 | 10 -> 8 | 616.09 | |
| 2023-03-28 | 9 -> 10 | 631.25 -> 616.09 |
Saint Petersburg Open 2021: 71% -> 57% |
| 2023-03-20 | 11 -> 9 | 621.67 -> 631.25 | |
| 2023-03-06 | 12 -> 11 | 621.67 | |
| 2023-02-25 | 23 -> 12 | 547.99 -> 621.67 |
Earth cup: 0% -> 100% |
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 | 86% | 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 |