Sorokina Darina
From Simferopol, Russia
EMA: 15990219
Internal rating (RR)
Rating date Aug. 26, 2026 (latest changes Aug. 26, 2026).
212 place (182.64).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999
p1 = (400 * 2 * 0.71 + 526.32 * 2.10 * 1 + 0 + 0 + 0) / (2 * 0.71 + 2.10 * 1 + 1 + 1 + 1) = 256.82382133995037
p2 = (526.32 * 2.10 * 1 + 400 * 2 * 0.71) / max_coefficients = 108.45407503234154
score = 256.82382133995037 * 0.5 + 108.45407503234154 * 0.5 = 182.63894818614597
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-26 | 213 -> 212 | 182.64 | |
| 2026-08-16 | 210 -> 213 | 182.64 | |
| 2026-08-15 | 210 | 182.24 -> 182.64 | |
| 2026-08-13 | 211 -> 210 | 182.24 | |
| 2026-08-04 | 216 -> 211 | 182.24 | |
| 2026-07-26 | 217 -> 216 | 182.24 | |
| 2026-07-25 | 214 -> 217 | 182.24 | |
| 2026-07-18 | 210 -> 214 | 182.24 | |
| 2026-07-12 | 208 -> 210 | 182.24 | |
| 2026-07-01 | 209 -> 208 | 182.24 |
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 | 71% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 522 |
|
12/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol |