Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Internal rating (RR)
Rating date March 31, 2025 (latest changes March 30, 2025).
122 place (315.98).
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 * 0.43 + 608.70 * 2.10 * 0.86 + 263.16 * 3.85 * 1 + 338.98 * 3.25 * 1 + 0) / (4 * 0.43 + 2.10 * 0.86 + 3.85 * 1 + 3.25 * 1 + 1) = 364.71301351522385
p2 = (338.98 * 3.25 * 1 + 608.70 * 2.10 * 0.86 + 598.13 * 4 * 0.43 + 263.16 * 3.85 * 1) / max_coefficients = 267.2485804416404
score = 364.71301351522385 * 0.5 + 267.2485804416404 * 0.5 = 315.9807969784321
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-30 | 121 -> 122 | 324.82 -> 315.98 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-03 | 115 -> 121 | 340.79 -> 324.82 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 111 -> 115 | 340.79 | |
| 2025-02-16 | 123 -> 111 | 294.13 -> 340.79 |
White Wolf Cup: 0% -> 100% |
| 2025-02-02 | 118 -> 123 | 294.13 | |
| 2025-01-26 | 113 -> 118 | 294.13 | |
| 2025-01-07 | 109 -> 113 | 294.13 | |
| 2025-01-03 | 107 -> 109 | 311.28 -> 294.13 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 108 -> 107 | 311.28 | |
| 2024-11-06 | 112 -> 108 | 311.28 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 339 |
|
40/60 | 100% | 3.25 | RR | White Wolf Cup |
| 2 | 263 |
|
71/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 3 | 609 |
|
19/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 |
| 4 | 598 |
|
44/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |
| 5 | 730 |
|
31/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 6 | 773 |
|
18/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 7 | 423 |
|
42/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 8 | 32 |
|
31/32 | 0% | 2.70 | RR | East Cup 2018 |
| 9 | 436 |
|
23/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |