Pogosyan Tamara
From Saint Petersburg, Russia
EMA: 15990121
Internal rating (RR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
61 place (533.12).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (217.39 * 2.10 * 0.57 + 949.15 * 3.25 * 1 + 883.12 * 3.45 * 1 + 0 + 0) / (2.10 * 0.57 + 3.25 * 1 + 3.45 * 1 + 1 + 1) = 645.6968426071269
p2 = (949.15 * 3.25 * 1 + 883.12 * 3.45 * 1 + 217.39 * 2.10 * 0.57) / max_coefficients = 420.55
score = 645.6968426071269 * 0.5 + 420.55 * 0.5 = 533.1234213035634
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 128 -> 61 | 334.59 -> 533.12 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-04 | 127 -> 128 | 333.52 -> 334.59 | |
| 2025-08-03 | 125 -> 127 | 333.52 | |
| 2025-07-30 | 128 -> 125 | 331.16 -> 333.52 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 124 -> 128 | 331.16 | |
| 2025-07-12 | 122 -> 124 | 329.08 -> 331.16 | |
| 2025-07-10 | 123 -> 122 | 329.08 | |
| 2025-06-15 | 118 -> 123 | 332.31 -> 329.08 | |
| 2025-06-11 | 121 -> 118 | 332.31 | |
| 2025-05-30 | 121 | 330.30 -> 332.31 |
Seihoku spring tournament 2024: 86% -> 71% |