Vasilev Igor
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
246 place (133.42).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (43.48 * 2.10 * 0.71 + 600 * 1.90 * 1 + 0 + 0 + 0) / (2.10 * 0.71 + 1.90 * 1 + 1 + 1 + 1) = 188.3147422746456
p2 = (600 * 1.90 * 1 + 43.48 * 2.10 * 0.71) / max_coefficients = 78.51596091205212
score = 188.3147422746456 * 0.5 + 78.51596091205212 * 0.5 = 133.41535159334887
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 247 -> 246 | 132.68 -> 133.42 | |
| 2025-07-03 | 248 -> 247 | 132.68 | |
| 2025-06-22 | 249 -> 248 | 132.68 | |
| 2025-06-15 | 240 -> 249 | 133.82 -> 132.68 | |
| 2025-06-14 | 234 -> 240 | 133.82 | |
| 2025-06-11 | 239 -> 234 | 133.82 | |
| 2025-06-08 | 238 -> 239 | 133.82 | |
| 2025-05-30 | 238 | 131.01 -> 133.82 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-26 | 239 -> 238 | 131.01 | |
| 2025-05-17 | 236 -> 239 | 131.01 |
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 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |