Blinov Sergei
From Tyumen, Russia
Internal rating (RR)
Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).
52 place (584.00).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (467.53 * 3.45 * 0.86 + 864.86 * 3.40 * 1 + 482.52 * 4.71 * 1 + 711.86 * 3.40 * 1 + 0) / (3.45 * 0.86 + 3.40 * 1 + 4.71 * 1 + 3.40 * 1 + 1) = 582.9205996381327
p2 = (864.86 * 3.40 * 1 + 711.86 * 3.40 * 1 + 482.52 * 4.71 * 1 + 467.53 * 3.45 * 0.86) / max_coefficients = 585.0765736534718
score = 582.9205996381327 * 0.5 + 585.0765736534718 * 0.5 = 583.9985866458022
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-02 | 51 -> 52 | 584.00 | |
| 2026-08-31 | 52 -> 51 | 588.73 -> 584.00 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-26 | 53 -> 52 | 588.73 | |
| 2026-08-16 | 86 -> 53 | 472.47 -> 588.73 |
Ufa Championship 2026: 0% -> 100% |
| 2026-08-15 | 86 | 470.86 -> 472.47 | |
| 2026-08-03 | 87 -> 86 | 470.86 | |
| 2026-07-25 | 84 -> 87 | 470.86 | |
| 2026-07-14 | 85 -> 84 | 470.86 | |
| 2026-07-12 | 84 -> 85 | 470.86 | |
| 2026-07-02 | 83 -> 84 | 470.86 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 712 |
|
18/60 | 100% | 3.40 | RR | Ufa Championship 2026 | Ufa | |
| 2 | 483 |
|
75/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 3 | 865 |
|
11/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 4 | 468 |
|
42/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg |