Sorokina Darina
From Simferopol, Russia
EMA: 15990219
Common russian riichi rating (CRR)
Rating date May 1, 2025 (latest changes May 1, 2025).
215 place (171.81).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (0 * 1.80 * 1 + 909.09 * 0.90 * 1 + 400 * 2 * 1 + 0 + 0) / (1.80 * 1 + 0.90 * 1 + 2 * 1 + 1 + 1) = 241.5194029850746
p2 = (909.09 * 0.90 * 1 + 400 * 2 * 1 + 0 * 1.80 * 1) / max_coefficients = 102.09337539432175
score = 241.5194029850746 * 0.5 + 102.09337539432175 * 0.5 = 171.80638918969817
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-27 | 239 -> 215 | 97.58 -> 171.81 |
South Dragon Cup II: 0% -> 100% |
| 2025-04-26 | 237 -> 239 | 97.58 | |
| 2025-04-22 | 241 -> 237 | 97.58 | |
| 2025-04-13 | 238 -> 241 | 97.58 | |
| 2025-03-29 | 238 | 97.58 |
The Southern Coon Mini Cup: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 400 |
|
10/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol |
| 2 | 909 |
|
2/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |
| 3 | 0 |
|
16/16 | 100% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |
| 4 | 522 |
|
12/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 | Simferopol |