Gromova Elena

From Saint Petersburg, Russia

EMA: 15990350

Player page

Internal rating (RR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

39 place (426.46).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335

p1 = (773.33 * 3.45 * 0.71 + 729.73 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 4.05 * 1 + 1 + 1 + 1) = 510.9300860228277

p2 = (729.73 * 4.05 * 1 + 773.33 * 3.45 * 0.71) / max_coefficients = 341.98996998452617

score = 510.9300860228277 * 0.5 + 341.98996998452617 * 0.5 = 426.46002800367694

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 42 -> 39 424.17 -> 426.46
2023-01-28 38 -> 42 440.14 -> 424.17

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 39 -> 38 438.43 -> 440.14
2022-11-28 36 -> 39 452.76 -> 438.43

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 27 -> 36 464.40 -> 452.76
2022-10-14 224 -> 27 87.84 -> 464.40
2020-02-01 224 87.84

Tournaments

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