Pogosyan Tamara
From Saint Petersburg, Russia
EMA: 15990121
Internal rating (RR)
Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).
82 place (290.16).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (760 * 3.45 * 0.29 + 639.64 * 4.05 * 0.71 + 0 + 0 + 0) / (3.45 * 0.29 + 4.05 * 0.71 + 1 + 1 + 1) = 377.91666303219563
p2 = (639.64 * 4.05 * 0.71 + 760 * 3.45 * 0.29) / max_coefficients = 202.41123149402995
score = 377.91666303219563 * 0.5 + 202.41123149402995 * 0.5 = 290.1639472631128
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-08-12 | 75 -> 82 | 309.73 -> 290.16 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 65 -> 75 | 334.91 -> 309.73 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 68 -> 65 | 330.43 -> 334.91 | |
2023-07-06 | 69 -> 68 | 330.43 | |
2023-06-19 | 79 -> 69 | 289.37 -> 330.43 | |
2021-02-01 | 61 -> 79 | 516.05 -> 289.37 | |
2020-02-01 | 61 | 516.05 |