Vasilev Igor
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Oct. 11, 2025 (latest changes Oct. 9, 2025).
197 place (141.48).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.43 + 0 + 0 + 0) / (1.90 * 1 + 2.10 * 0.43 + 1 + 1 + 1) = 203.29617279821244
p2 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.43) / max_coefficients = 79.67094594594595
score = 203.29617279821244 * 0.5 + 79.67094594594595 * 0.5 = 141.48355937207918
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-04 | 198 -> 197 | 141.48 | |
| 2025-09-30 | 200 -> 198 | 138.00 -> 141.48 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-03 | 204 -> 200 | 138.00 | |
| 2025-09-01 | 206 -> 204 | 136.94 -> 138.00 | |
| 2025-08-31 | 197 -> 206 | 136.94 | |
| 2025-08-04 | 197 | 136.55 -> 136.94 | |
| 2025-08-03 | 190 -> 197 | 136.55 | |
| 2025-07-30 | 190 | 133.42 -> 136.55 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 186 -> 190 | 133.42 | |
| 2025-07-12 | 187 -> 186 | 132.68 -> 133.42 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
15/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 43 |
|
45/47 | 43% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |