Vasilev Igor
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 27, 2025 (latest changes Aug. 27, 2025).
253 place (136.94).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (43.48 * 2.10 * 0.57 + 600 * 1.90 * 1 + 0 + 0 + 0) / (2.10 * 0.57 + 1.90 * 1 + 1 + 1 + 1) = 195.4396272750224
p2 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.57) / max_coefficients = 78.43223684210527
score = 195.4396272750224 * 0.5 + 78.43223684210527 * 0.5 = 136.93593205856382
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-26 | 254 -> 253 | 136.94 | |
| 2025-08-25 | 255 -> 254 | 136.94 | |
| 2025-08-22 | 256 -> 255 | 136.94 | |
| 2025-08-04 | 256 | 136.55 -> 136.94 | |
| 2025-08-03 | 250 -> 256 | 136.55 | |
| 2025-07-30 | 252 -> 250 | 133.42 -> 136.55 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 248 -> 252 | 133.42 | |
| 2025-07-13 | 246 -> 248 | 133.42 | |
| 2025-07-12 | 247 -> 246 | 132.68 -> 133.42 | |
| 2025-07-03 | 248 -> 247 | 132.68 |
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 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |