Gromova Elena

From Saint Petersburg, Russia

EMA: 15990350

Player page

Internal rating (RR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

45 place (443.91).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (773.33 * 3.45 * 0.29 + 729.73 * 4.05 * 0.71 + 598.13 * 4 * 1 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 4 * 1 + 1 + 1) = 533.0543458675235

p2 = (598.13 * 4 * 1 + 729.73 * 4.05 * 0.71 + 773.33 * 3.45 * 0.29) / max_coefficients = 354.7699356898561

score = 533.0543458675235 * 0.5 + 354.7699356898561 * 0.5 = 443.9121407786898

Rating changes

Show

all results
Date Place Points Reason
2023-09-20 46 -> 45 443.91
2023-09-06 45 -> 46 443.91
2023-09-03 70 -> 45 320.72 -> 443.91

SPB Riichi Open 2023: 0% -> 100%
2023-09-01 224 -> 70 87.84 -> 320.72
2020-02-01 224 87.84

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 598 2023-09-03 44/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 730 2022-06-12 31/112 71% 4.05 RR Moscow Riichi 2022 Moscow
3 773 2021-11-28 18/76 29% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
4 423 2018-06-11 42/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
5 32 2018-03-04 31/32 0% 2.70 RR East Cup 2018 Saint Petersburg
6 436 2017-10-01 23/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg