Gromova Elena

From Saint Petersburg, Russia

EMA: 15990350

Player page

Internal rating (RR)

Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).

48 place (424.77).

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

p1 = (773.33 * 3.45 * 0.14 + 729.73 * 4.05 * 0.71 + 598.13 * 4 * 1 + 0 + 0) / (3.45 * 0.14 + 4.05 * 0.71 + 4 * 1 + 1 + 1) = 520.442322116532

p2 = (598.13 * 4 * 1 + 729.73 * 4.05 * 0.71 + 773.33 * 3.45 * 0.14) / max_coefficients = 329.1017970526679

score = 520.442322116532 * 0.5 + 329.1017970526679 * 0.5 = 424.7720595845999

Rating changes

Show

Date Place Points Reason
2023-09-28 45 -> 48 443.91 -> 424.77

Saint Petersburg Open 2021: 29% -> 14%

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%

2023-08-12 63 -> 70 343.72 -> 320.72

Moscow Riichi 2022: 86% -> 71%

2023-07-28 57 -> 63 368.20 -> 343.72

Saint Petersburg Open 2021: 43% -> 29%

2023-07-20 59 -> 57 363.28 -> 368.20
2023-07-06 61 -> 59 363.28
2023-06-12 56 -> 61 381.64 -> 363.28

Moscow Riichi 2022: 100% -> 86%

2023-06-11 43 -> 56 403.98 -> 381.64

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 598 2023-09-03 44/108 100% 4.00 RR SPB Riichi Open 2023
2 730 2022-06-12 31/112 71% 4.05 RR Moscow Riichi 2022
3 773 2021-11-28 18/76 14% 3.45 RR Saint Petersburg Open 2021
4 423 2018-06-11 42/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
5 32 2018-03-04 31/32 0% 2.70 RR East Cup 2018
6 436 2017-10-01 23/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017