Vinnichenko Aleksandr
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date May 1, 2025 (latest changes May 1, 2025).
207 place (200.34).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (466.67 * 1.80 * 1 + 533.33 * 2 * 1 + 0 + 0 + 0) / (1.80 * 1 + 2 * 1 + 1 + 1 + 1) = 280.39264705882357
p2 = (533.33 * 2 * 1 + 466.67 * 1.80 * 1) / max_coefficients = 120.29463722397477
score = 280.39264705882357 * 0.5 + 120.29463722397477 * 0.5 = 200.3436421413992
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-27 | 207 | 200.34 |
South Dragon Cup II: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 533 |
|
8/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol |
| 2 | 467 |
|
9/16 | 100% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |