Utin Ilya
From Saint Petersburg, Russia
EMA: 15990314
Common russian riichi rating (CRR)
Rating date July 4, 2025 (latest changes July 3, 2025).
128 place (369.65).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (271.03 * 4 * 0.14 + 926.32 * 3.85 * 1 + 0 + 0 + 0) / (4 * 0.14 + 3.85 * 1 + 1 + 1 + 1) = 501.406704753692
p2 = (926.32 * 3.85 * 1 + 271.03 * 4 * 0.14) / max_coefficients = 237.89048665636153
score = 501.406704753692 * 0.5 + 237.89048665636153 * 0.5 = 369.64859570502676
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-07-03 | 130 -> 128 | 366.36 -> 369.65 |
SPB Riichi Open 2023: 29% -> 14% |
2025-06-27 | 131 -> 130 | 366.36 | |
2025-06-15 | 123 -> 131 | 370.03 -> 366.36 | |
2025-06-14 | 121 -> 123 | 370.03 | |
2025-06-11 | 123 -> 121 | 370.03 | |
2025-06-08 | 122 -> 123 | 370.03 | |
2025-05-17 | 120 -> 122 | 370.03 | |
2025-05-12 | 124 -> 120 | 364.74 -> 370.03 | |
2025-05-10 | 125 -> 124 | 364.74 | |
2025-05-05 | 126 -> 125 | 364.74 |