Gromova Elena
From Saint Petersburg, Russia
EMA: 15990350
Common russian riichi rating (CRR)
Rating date Jan. 8, 2025 (latest changes Jan. 5, 2025).
122 place (322.78).
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 * 0.57 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1 + 0) / (1.80 * 0.14 + 4 * 0.57 + 2.10 * 1 + 3.85 * 1 + 1) = 403.75357375363694
p2 = (598.13 * 4 * 0.57 + 608.70 * 2.10 * 1 + 263.16 * 3.85 * 1 + 677.42 * 1.80 * 0.14) / max_coefficients = 241.81451104100947
score = 403.75357375363694 * 0.5 + 241.81451104100947 * 0.5 = 322.7840423973232
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-01-04 | 121 -> 122 | 322.78 | |
2025-01-03 | 115 -> 121 | 339.09 -> 322.78 |
SPB Riichi Open 2023: 71% -> 57% |
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 |
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 | 57% | 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 |