Sorokina Darina
From Simferopol, Russia
EMA: 15990219
Internal rating (RR)
Rating date April 20, 2026 (latest changes April 19, 2026).
196 place (197.89).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (400 * 2 * 1 + 526.32 * 2.10 * 1 + 0 + 0 + 0) / (2 * 1 + 2.10 * 1 + 1 + 1 + 1) = 268.34647887323945
p2 = (526.32 * 2.10 * 1 + 400 * 2 * 1) / max_coefficients = 127.44214046822744
score = 268.34647887323945 * 0.5 + 127.44214046822744 * 0.5 = 197.89430967073343
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 522 |
|
12/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol |