Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
111 place (311.28).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (598.13 * 4 * 0.71 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1 + 0 + 0) / (4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 1 + 1) = 370.1606336516396
p2 = (598.13 * 4 * 0.71 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1) / max_coefficients = 252.391167192429
score = 370.1606336516396 * 0.5 + 252.391167192429 * 0.5 = 311.2759004220343
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-03 | 108 -> 111 | 327.78 -> 311.28 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 100 -> 108 | 330.61 -> 327.78 | |
| 2024-10-11 | 102 -> 100 | 330.61 | |
| 2024-09-06 | 105 -> 102 | 330.61 | |
| 2024-09-03 | 100 -> 105 | 341.44 -> 330.61 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 93 -> 100 | 321.65 -> 341.44 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 93 | 320.38 -> 321.65 | |
| 2024-08-04 | 87 -> 93 | 325.17 -> 320.38 | |
| 2024-07-14 | 82 -> 87 | 325.17 | |
| 2024-07-06 | 84 -> 82 | 325.17 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 263 |
|
71/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 2 | 609 |
|
19/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 3 | 598 |
|
44/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 730 |
|
31/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 6 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 7 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
| 8 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |