Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date July 28, 2023 (latest changes July 28, 2023).
16 place (566.46).
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 * 0.29 + 729.73 * 4.05 * 0.86 + 974.36 * 1.80 * 1 + 677.42 * 1.80 * 1 + 0) / (3.45 * 0.29 + 4.05 * 0.86 + 1.80 * 1 + 1.80 * 1 + 1) = 692.1260207664417
p2 = (729.73 * 4.05 * 0.86 + 974.36 * 1.80 * 1 + 677.42 * 1.80 * 1 + 773.33 * 3.45 * 0.29) / max_coefficients = 440.7859925161317
score = 692.1260207664417 * 0.5 + 440.7859925161317 * 0.5 = 566.4560066412866
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-28 | 15 -> 16 | 581.96 -> 566.46 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 17 -> 15 | 581.96 | |
| 2023-07-06 | 16 -> 17 | 581.96 | |
| 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% |
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 | 29% | 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 |