Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).
48 place (409.77).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (773.33 * 3.45 * 0.14 + 729.73 * 4.05 * 0.57 + 598.13 * 4 * 1 + 0 + 0) / (3.45 * 0.14 + 4.05 * 0.57 + 4 * 1 + 1 + 1) = 506.6891483364415
p2 = (598.13 * 4 * 1 + 729.73 * 4.05 * 0.57 + 773.33 * 3.45 * 0.14) / max_coefficients = 312.84680426551284
score = 506.6891483364415 * 0.5 + 312.84680426551284 * 0.5 = 409.7679763009772
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 48 | 424.77 -> 409.77 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 45 -> 48 | 443.91 -> 424.77 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 46 -> 45 | 443.91 | |
2023-09-06 | 45 -> 46 | 443.91 | |
2023-09-03 | 70 -> 45 | 320.72 -> 443.91 |
SPB Riichi Open 2023: 0% -> 100% |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 598 |
|
44/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 730 |
|
31/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
3 | 773 |
|
18/76 | 14% | 3.45 | RR | Saint Petersburg Open 2021 |
4 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
5 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
6 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |