Sychev Ivan
From Saint Petersburg, Russia
EMA: 15990298
Common russian riichi rating (CRR)
Rating date June 18, 2024 (latest changes June 18, 2024).
77 place (423.46).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
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 = 301.1075323976352
score = 545.8210669834169 * 0.5 + 301.1075323976352 * 0.5 = 423.4642996905261
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-18 | 76 -> 77 | 423.46 | |
| 2024-06-11 | 81 -> 76 | 418.23 -> 423.46 | |
| 2024-06-09 | 78 -> 81 | 418.23 | |
| 2024-05-19 | 75 -> 78 | 418.23 | |
| 2024-05-12 | 59 -> 75 | 436.26 -> 418.23 | |
| 2024-05-06 | 62 -> 59 | 436.26 | |
| 2024-05-05 | 61 -> 62 | 436.26 | |
| 2024-05-03 | 60 -> 61 | 436.26 | |
| 2024-04-27 | 58 -> 60 | 436.26 | |
| 2024-04-25 | 60 -> 58 | 436.26 |