Gromova Elena

From Saint Petersburg, Russia

EMA: 15990350

Player page

Internal rating (RR)

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

43 place (403.98).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (773.33 * 3.45 * 0.43 + 729.73 * 4.05 * 1 + 0 + 0 + 0) / (3.45 * 0.43 + 4.05 * 1 + 1 + 1 + 1) = 480.6036580146729

p2 = (729.73 * 4.05 * 1 + 773.33 * 3.45 * 0.43) / max_coefficients = 327.3526341724042

score = 480.6036580146729 * 0.5 + 327.3526341724042 * 0.5 = 403.9781460935385

Rating changes

Show

Date Place Points Reason
2023-05-28 41 -> 43 424.37 -> 403.98

Saint Petersburg Open 2021: 57% -> 43%

2023-05-20 43 -> 41 417.72 -> 424.37
2023-05-06 42 -> 43 417.72
2023-04-19 42 414.66 -> 417.72
2023-03-28 40 -> 42 432.70 -> 414.66

Saint Petersburg Open 2021: 71% -> 57%

2023-03-20 39 -> 40 426.46 -> 432.70
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%

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 43% 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