Gromova Elena

From Saint Petersburg, Russia

EMA: 15990350

Player page

Internal rating (RR)

Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).

91 place (458.63).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (598.13 * 4 * 0.14 + 608.70 * 2.10 * 0.57 + 263.16 * 3.85 * 0.86 + 338.98 * 3.25 * 1 + 685.71 * 1.90 * 1 + 779.22 * 3.45 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.85 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.45 * 1) = 514.4712949502153

p2 = (779.22 * 3.45 * 1 + 685.71 * 1.90 * 1 + 338.98 * 3.25 * 1 + 263.16 * 3.85 * 0.86) / max_coefficients = 402.7864864864865

score = 514.4712949502153 * 0.5 + 402.7864864864865 * 0.5 = 458.62889071835093

Rating changes

Show

all results
Date Place Points Reason
2025-09-01 93 -> 91 453.23 -> 458.63

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 120 -> 93 344.87 -> 453.23

SPB Riichi Open 2025: 0% -> 100%
2025-08-04 121 -> 120 343.54 -> 344.87
2025-08-03 118 -> 121 343.54
2025-07-30 117 -> 118 352.09 -> 343.54

Seihoku spring tournament 2024: 71% -> 57%
2025-07-13 113 -> 117 352.09
2025-07-12 115 -> 113 349.45 -> 352.09
2025-07-03 116 -> 115 353.77 -> 349.45

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 110 -> 116 357.87 -> 353.77
2025-06-11 113 -> 110 357.87

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 779 2025-08-31 18/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 686 2025-04-26 12/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 339 2025-02-16 40/60 100% 3.25 RR White Wolf Cup Saint Petersburg
4 263 2024-09-01 71/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 609 2024-03-30 19/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
6 598 2023-09-03 44/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 730 2022-06-12 31/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 773 2021-11-28 18/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
9 423 2018-06-11 42/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
10 32 2018-03-04 31/32 0% 2.70 RR East Cup 2018 Saint Petersburg
11 436 2017-10-01 23/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg