Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date June 12, 2023 (latest changes June 12, 2023).
61 place (363.28).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (773.33 * 3.45 * 0.43 + 729.73 * 4.05 * 0.86 + 0 + 0 + 0) / (3.45 * 0.43 + 4.05 * 0.86 + 1 + 1 + 1) = 462.46725598040234
p2 = (729.73 * 4.05 * 0.86 + 773.33 * 3.45 * 0.43) / max_coefficients = 264.0973673085964
score = 462.46725598040234 * 0.5 + 264.0973673085964 * 0.5 = 363.2823116444994
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 56 -> 61 | 381.64 -> 363.28 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 43 -> 56 | 403.98 -> 381.64 | |
2023-05-28 | 41 -> 43 | 424.37 -> 403.98 |
Saint Petersburg Open 2021: 57% -> 43% |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 730 |
|
31/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |
2 | 773 |
|
18/76 | 43% | 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 |