Vasilev Igor
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 2, 2025 (latest changes Nov. 1, 2025).
246 place (142.88).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (43.48 * 2.10 * 0.43 + 600 * 1.90 * 1 + 0 + 0 + 0) / (2.10 * 0.43 + 1.90 * 1 + 1 + 1 + 1) = 203.29617279821244
p2 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.43) / max_coefficients = 82.45664335664335
score = 203.29617279821244 * 0.5 + 82.45664335664335 * 0.5 = 142.8764080774279
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 246 | 142.73 -> 142.88 | |
| 2025-10-27 | 247 -> 246 | 142.73 | |
| 2025-10-22 | 248 -> 247 | 142.73 | |
| 2025-10-13 | 248 | 141.48 -> 142.73 | |
| 2025-10-04 | 249 -> 248 | 141.48 | |
| 2025-09-30 | 249 | 138.00 -> 141.48 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-03 | 259 -> 249 | 138.00 | |
| 2025-09-01 | 259 | 136.94 -> 138.00 | |
| 2025-08-31 | 253 -> 259 | 136.94 | |
| 2025-08-26 | 254 -> 253 | 136.94 |
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 |