Sychev Ivan
From Saint Petersburg, Russia
EMA: 15990298
Common russian riichi rating (CRR)
Rating date Aug. 26, 2024 (latest changes Aug. 26, 2024).
84 place (404.56).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (739.13 * 1.40 * 0.57 + 897.20 * 4 * 1 + 0 + 0 + 0) / (1.40 * 0.57 + 4 * 1 + 1 + 1 + 1) = 535.9078764506484
p2 = (897.20 * 4 * 1 + 739.13 * 1.40 * 0.57) / max_coefficients = 273.2065359477124
score = 535.9078764506484 * 0.5 + 273.2065359477124 * 0.5 = 404.55720619918037
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-26 | 87 -> 84 | 404.56 | |
| 2024-08-25 | 88 -> 87 | 404.56 | |
| 2024-08-22 | 87 -> 88 | 411.93 -> 404.56 |
Fire cup 2023: 71% -> 57% |
| 2024-08-11 | 89 -> 87 | 410.43 -> 411.93 | |
| 2024-08-04 | 79 -> 89 | 416.08 -> 410.43 | |
| 2024-07-14 | 75 -> 79 | 416.08 | |
| 2024-07-06 | 78 -> 75 | 416.08 | |
| 2024-06-27 | 79 -> 78 | 416.08 | |
| 2024-06-22 | 77 -> 79 | 423.46 -> 416.08 |
Fire cup 2023: 86% -> 71% |
| 2024-06-18 | 76 -> 77 | 423.46 |