Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date May 20, 2023 (latest changes May 20, 2023).
41 place (424.37).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.45 * 0.57) = 12.72138
p1 = (773.33 * 3.45 * 0.57 + 729.73 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 1 + 1 + 1) = 496.5908574456317
p2 = (729.73 * 4.05 * 1 + 773.33 * 3.45 * 0.57) / max_coefficients = 352.1559767886817
score = 496.5908574456317 * 0.5 + 352.1559767886817 * 0.5 = 424.3734171171567
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-20 | 43 -> 41 | 417.72 -> 424.37 | |
2023-05-06 | 42 -> 43 | 417.72 | |
2023-04-19 | 42 | 414.66 -> 417.72 | |
2023-03-28 | 40 -> 42 | 432.70 -> 414.66 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 39 -> 40 | 426.46 -> 432.70 | |
2023-02-19 | 42 -> 39 | 424.17 -> 426.46 | |
2023-01-28 | 38 -> 42 | 440.14 -> 424.17 |
Saint Petersburg Open 2021: 86% -> 71% |
2022-12-19 | 39 -> 38 | 438.43 -> 440.14 | |
2022-11-28 | 36 -> 39 | 452.76 -> 438.43 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 27 -> 36 | 464.40 -> 452.76 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 730 |
|
31/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 773 |
|
18/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |
3 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
4 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
5 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |