Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Dec. 29, 2024 (latest changes Dec. 29, 2024).
115 place (339.09).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (677.42 * 1.80 * 0.14 + 598.13 * 4 * 0.71 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1 + 0) / (1.80 * 0.14 + 4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 1) = 414.7929041117123
p2 = (598.13 * 4 * 0.71 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1 + 677.42 * 1.80 * 0.14) / max_coefficients = 263.38485804416405
score = 414.7929041117123 * 0.5 + 263.38485804416405 * 0.5 = 339.08888107793814
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-25 | 114 -> 115 | 347.85 -> 339.09 |
Earth cup: 29% -> 14% |
| 2024-12-18 | 115 -> 114 | 347.85 | |
| 2024-12-11 | 117 -> 115 | 347.85 | |
| 2024-12-01 | 116 -> 117 | 347.85 | |
| 2024-11-05 | 121 -> 116 | 347.85 | |
| 2024-11-03 | 116 -> 121 | 363.26 -> 347.85 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-25 | 114 -> 116 | 371.61 -> 363.26 |
Earth cup: 43% -> 29% |
| 2024-10-18 | 115 -> 114 | 371.61 | |
| 2024-10-13 | 105 -> 115 | 374.79 -> 371.61 | |
| 2024-10-11 | 106 -> 105 | 374.79 |
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 | 677 |
|
11/32 | 14% | 1.80 | CRR | Earth cup |
| 5 | 974 |
|
2/40 | 0% | 1.80 | CRR | Sun tournament |
| 6 | 730 |
|
31/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 7 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 8 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 9 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
| 10 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |