Sychev Ivan
From Saint Petersburg, Russia
EMA: 15990298
Common russian riichi rating (CRR)
Rating date May 1, 2024 (latest changes May 1, 2024).
60 place (436.26).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (739.13 * 1.40 * 0.86 + 897.20 * 4 * 1 + 0 + 0 + 0) / (1.40 * 0.86 + 4 * 1 + 1 + 1 + 1) = 545.8210669834169
p2 = (897.20 * 4 * 1 + 739.13 * 1.40 * 0.86) / max_coefficients = 326.69343065693425
score = 545.8210669834169 * 0.5 + 326.69343065693425 * 0.5 = 436.2572488201756
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-27 | 58 -> 60 | 436.26 | |
| 2024-04-25 | 60 -> 58 | 436.26 | |
| 2024-04-22 | 58 -> 60 | 443.96 -> 436.26 |
Fire cup 2023: 100% -> 86% |
| 2024-04-12 | 59 -> 58 | 443.96 | |
| 2024-03-30 | 55 -> 59 | 443.96 | |
| 2024-03-20 | 56 -> 55 | 443.96 | |
| 2024-03-10 | 50 -> 56 | 452.36 -> 443.96 | |
| 2024-03-06 | 49 -> 50 | 444.57 -> 452.36 | |
| 2024-02-27 | 50 -> 49 | 444.57 | |
| 2024-02-25 | 47 -> 50 | 444.57 |