Pogosyan Tamara
From Saint Petersburg, Russia
EMA: 15990121
Common russian riichi rating (CRR)
Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).
15 place (734.01).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (949.15 * 3.25 * 0.29 + 883.12 * 3.45 * 0.71 + 807.02 * 3.90 * 0.86 + 945.95 * 3.40 * 1 + 560 * 3.10 * 1) / (3.25 * 0.29 + 3.45 * 0.71 + 3.90 * 0.86 + 3.40 * 1 + 3.10 * 1) = 808.9909372863236
p2 = (945.95 * 3.40 * 1 + 807.02 * 3.90 * 0.86 + 883.12 * 3.45 * 0.71 + 560 * 3.10 * 1) / max_coefficients = 659.0295103957077
score = 808.9909372863236 * 0.5 + 659.0295103957077 * 0.5 = 734.0102238410157
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-08 | 14 -> 15 | 734.01 | |
| 2026-11-04 | 12 -> 14 | 737.87 -> 734.01 |
XI Russian Championship: 100% -> 86% |
| 2026-10-31 | 12 | 753.27 -> 737.87 |
SPB Riichi Open 2025: 86% -> 71% |
| 2026-10-24 | 11 -> 12 | 753.27 | |
| 2026-10-16 | 10 -> 11 | 755.44 -> 753.27 |
White Wolf Cup: 43% -> 29% |
| 2026-09-06 | 8 -> 10 | 755.44 | |
| 2026-09-01 | 9 -> 8 | 755.44 | |
| 2026-08-31 | 9 | 769.48 -> 755.44 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 8 -> 9 | 772.28 -> 769.48 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 8 | 769.63 -> 772.28 |