Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
18 place (584.58).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (773.33 * 3.45 * 0.14 + 729.73 * 4.05 * 0.57 + 677.42 * 1.80 * 1 + 974.36 * 1.80 * 0.86 + 598.13 * 4 * 1) / (3.45 * 0.14 + 4.05 * 0.57 + 1.80 * 1 + 1.80 * 0.86 + 4 * 1) = 707.8918083873277
p2 = (598.13 * 4 * 1 + 729.73 * 4.05 * 0.57 + 974.36 * 1.80 * 0.86 + 677.42 * 1.80 * 1) / max_coefficients = 461.2752542372881
score = 707.8918083873277 * 0.5 + 461.2752542372881 * 0.5 = 584.583531312308
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-10-12 | 17 -> 18 | 597.96 -> 584.58 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 16 -> 17 | 599.37 -> 597.96 |
Saint Petersburg Open 2021: 29% -> 14% |
| 2023-09-20 | 17 -> 16 | 599.37 | |
| 2023-09-03 | 17 | 545.41 -> 599.37 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-27 | 16 -> 17 | 559.05 -> 545.41 |
Sun tournament: 100% -> 86% |
| 2023-08-12 | 16 | 566.46 -> 559.05 |
Moscow Riichi 2022: 86% -> 71% |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 598 |
|
44/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 677 |
|
11/32 | 100% | 1.80 | CRR | Earth cup |
| 3 | 974 |
|
2/40 | 86% | 1.80 | CRR | Sun tournament |
| 4 | 730 |
|
31/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 773 |
|
18/76 | 14% | 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 |