Sorokina Darina
From Simferopol, Russia
EMA: 15990219
Internal rating (RR)
Rating date May 10, 2026 (latest changes May 7, 2026).
201 place (191.71).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (400 * 2 * 0.86 + 526.32 * 2.10 * 1 + 0 + 0 + 0) / (2 * 0.86 + 2.10 * 1 + 1 + 1 + 1) = 262.82468961873735
p2 = (526.32 * 2.10 * 1 + 400 * 2 * 0.86) / max_coefficients = 120.60202020202021
score = 262.82468961873735 * 0.5 + 120.60202020202021 * 0.5 = 191.71335491037877
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-03 | 196 -> 201 | 191.31 -> 191.71 | |
| 2026-05-01 | 197 -> 196 | 191.31 | |
| 2026-04-27 | 196 -> 197 | 197.89 -> 191.31 |
South Dragon Cup II: 100% -> 86% |
| 2026-04-19 | 196 | 197.89 |
The Southern Dragon Cup 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 526 |
|
10/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 2 | 400 |
|
10/16 | 86% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 522 |
|
12/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol |