Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
70 place (320.72).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (773.33 * 3.45 * 0.29 + 729.73 * 4.05 * 0.71 + 0 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 1 + 1 + 1) = 417.71702880536395
p2 = (729.73 * 4.05 * 0.71 + 773.33 * 3.45 * 0.29) / max_coefficients = 223.72820911926243
score = 417.71702880536395 * 0.5 + 223.72820911926243 * 0.5 = 320.72261896231316
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 63 -> 70 | 343.72 -> 320.72 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 57 -> 63 | 368.20 -> 343.72 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 59 -> 57 | 363.28 -> 368.20 | |
2023-07-06 | 61 -> 59 | 363.28 | |
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 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 730 |
|
31/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
2 | 773 |
|
18/76 | 29% | 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 |