Bykov Dmitriy
From Saint Petersburg, Russia
EMA: 15990236
Common russian riichi rating (CRR)
Rating date July 1, 2024 (latest changes July 1, 2024).
152 place (190.90).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (299.07 * 4 * 1 + 578.95 * 1.50 * 1 + 0 + 0 + 0) / (4 * 1 + 1.50 * 1 + 1 + 1 + 1) = 242.90352941176468
p2 = (299.07 * 4 * 1 + 578.95 * 1.50 * 1) / max_coefficients = 138.9035681548695
score = 242.90352941176468 * 0.5 + 138.9035681548695 * 0.5 = 190.9035487833171
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-01 | 153 -> 152 | 190.90 | |
| 2024-06-25 | 154 -> 153 | 190.90 | |
| 2024-06-11 | 160 -> 154 | 188.49 -> 190.90 | |
| 2024-06-09 | 151 -> 160 | 188.49 | |
| 2024-05-25 | 165 -> 151 | 159.28 -> 188.49 |
Duplicate riichi mahjong tournament 2024: 0% -> 100% |
| 2023-11-26 | 159 -> 165 | 159.67 -> 159.28 | |
| 2023-11-06 | 159 | 157.42 -> 159.67 | |
| 2023-11-05 | 155 -> 159 | 157.42 | |
| 2023-10-27 | 156 -> 155 | 157.42 | |
| 2023-10-22 | 154 -> 156 | 157.42 |