Vinnichenko Aleksandr
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2026 (latest changes Nov. 8, 2026).
108 place (467.90).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (533.33 * 2 * 0.43 + 391.30 * 1.20 * 0.71 + 956.52 * 1.20 * 1 + 631.58 * 1.30 * 1 + 580.65 * 1.80 * 1 + 842.11 * 1.30 * 1 + 600 * 1.20 * 1) / (2 * 0.43 + 1.20 * 0.71 + 1.20 * 1 + 1.30 * 1 + 1.80 * 1 + 1.30 * 1 + 1.20 * 1) = 660.2210853193898
p2 = (956.52 * 1.20 * 1 + 842.11 * 1.30 * 1 + 580.65 * 1.80 * 1 + 631.58 * 1.30 * 1) / max_coefficients = 275.5720992622401
score = 660.2210853193898 * 0.5 + 275.5720992622401 * 0.5 = 467.89659229081497
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-08 | 105 -> 108 | 467.90 | |
| 2026-11-07 | 106 -> 105 | 467.90 | |
| 2026-11-04 | 106 | 463.43 -> 467.90 | |
| 2026-11-03 | 107 -> 106 | 463.43 | |
| 2026-11-02 | 106 -> 107 | 463.43 | |
| 2026-11-01 | 105 -> 106 | 463.43 | |
| 2026-10-27 | 107 -> 105 | 458.68 -> 463.43 |
South Dragon Cup II: 57% -> 43% Happy Bamboo 2024: 14% -> 0% |
| 2026-10-24 | 106 -> 107 | 458.68 | |
| 2026-10-17 | 106 | 462.55 -> 458.68 |
Autumn League Stage 2: 0% -> 100% |
| 2026-10-15 | 107 -> 106 | 462.55 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
7/16 | 100% | 1.20 | CRR | Autumn League Stage 2 | Simferopol | |
| 2 | 842 |
|
4/20 | 100% | 1.30 | CRR | Autumn League Stage 1 | Simferopol | |
| 3 | 581 |
|
14/32 | 100% | 1.80 | RR | Seihoku Summer Tournament 2026 | Saint Petersburg | |
| 4 | 632 |
|
8/20 | 100% | 1.30 | CRR | The Southern Coon Mini Cup 2026 | Simferopol | |
| 5 | 957 |
|
🥈 | 2/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol |
| 6 | 391 |
|
15/24 | 71% | 1.20 | CRR | Pands in discards | Simferopol | |
| 7 | 533 |
|
8/16 | 43% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 8 | 467 |
|
9/16 | 0% | 1.80 | CRR | Happy Bamboo 2024 | Simferopol |