Pogosyan Tamara
From Saint Petersburg, Russia
EMA: 15990121
Common russian riichi rating (CRR)
Rating date Dec. 18, 2023 (latest changes Dec. 18, 2023).
131 place (221.09).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (639.64 * 4.05 * 0.43 + 483.87 * 1.80 * 1 + 0 + 0 + 0) / (4.05 * 0.43 + 1.80 * 1 + 1 + 1 + 1) = 303.1412995748054
p2 = (639.64 * 4.05 * 0.43 + 483.87 * 1.80 * 1) / max_coefficients = 139.0389492639205
score = 303.1412995748054 * 0.5 + 139.0389492639205 * 0.5 = 221.09012441936295
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-12-12 | 121 -> 131 | 247.75 -> 221.09 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 109 -> 121 | 301.93 -> 247.75 |
Saint Petersburg Open 2021: 14% -> 0% |
| 2023-11-26 | 105 -> 109 | 302.60 -> 301.93 | |
| 2023-11-06 | 85 -> 105 | 289.37 -> 302.60 | |
| 2021-02-01 | 61 -> 85 | 516.05 -> 289.37 | |
| 2020-02-01 | 61 | 516.05 |