Pogosyan Tamara
From Saint Petersburg, Russia
EMA: 15990121
Internal rating (RR)
Rating date Sept. 11, 2026 (latest changes Sept. 7, 2026).
10 place (755.44).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (949.15 * 3.25 * 0.43 + 883.12 * 3.45 * 0.86 + 807.02 * 3.90 * 1 + 945.95 * 3.40 * 1 + 560 * 3.10 * 1) / (3.25 * 0.43 + 3.45 * 0.86 + 3.90 * 1 + 3.40 * 1 + 3.10 * 1) = 815.8050758833338
p2 = (945.95 * 3.40 * 1 + 807.02 * 3.90 * 1 + 883.12 * 3.45 * 0.86 + 560 * 3.10 * 1) / max_coefficients = 695.0655418559377
score = 815.8050758833338 * 0.5 + 695.0655418559377 * 0.5 = 755.4353088696357
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-06 | 8 -> 10 | 755.44 | |
| 2026-08-31 | 8 | 769.48 -> 755.44 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 7 -> 8 | 772.28 -> 769.48 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 7 | 769.63 -> 772.28 | |
| 2026-08-02 | 6 -> 7 | 769.63 | |
| 2026-07-13 | 7 -> 6 | 769.63 | |
| 2026-07-03 | 8 -> 7 | 769.63 | |
| 2026-06-16 | 4 -> 8 | 785.61 -> 769.63 |
White Wolf Cup: 71% -> 57% |
| 2026-06-15 | 4 | 772.09 -> 785.61 | |
| 2026-06-14 | 4 | 803.79 -> 772.09 |