Vasilev Igor
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).
200 place (149.43).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (43.48 * 2.10 * 0.14 + 600 * 1.90 * 1 + 0 + 0 + 0) / (2.10 * 0.14 + 1.90 * 1 + 1 + 1 + 1) = 221.7365468674581
p2 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.14) / max_coefficients = 77.12709030100335
score = 221.7365468674581 * 0.5 + 77.12709030100335 * 0.5 = 149.4318185842307
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-04 | 201 -> 200 | 149.43 | |
| 2026-01-30 | 205 -> 201 | 145.01 -> 149.43 |
Seihoku spring tournament 2024: 29% -> 14% |
| 2026-01-25 | 202 -> 205 | 145.01 | |
| 2026-01-12 | 203 -> 202 | 145.01 | |
| 2026-01-07 | 201 -> 203 | 145.01 | |
| 2026-01-01 | 202 -> 201 | 145.01 | |
| 2025-12-13 | 203 -> 202 | 145.01 | |
| 2025-12-09 | 204 -> 203 | 145.01 | |
| 2025-12-07 | 199 -> 204 | 145.01 | |
| 2025-12-04 | 200 -> 199 | 145.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
15/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 43 |
|
45/47 | 14% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |