Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date May 14, 2024 (latest changes May 14, 2024).
132 place (217.39).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (27.03 * 4.05 * 0.14 + 813.33 * 4.20 * 0.43 + 230.77 * 2.90 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 2.90 * 1 + 1 + 1) = 295.23421577402524
p2 = (813.33 * 4.20 * 0.43 + 230.77 * 2.90 * 1 + 27.03 * 4.05 * 0.14) / max_coefficients = 139.5435064935065
score = 295.23421577402524 * 0.5 + 139.5435064935065 * 0.5 = 217.3888611337659
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-12 | 117 -> 132 | 226.05 -> 217.39 | |
| 2024-05-09 | 118 -> 117 | 226.05 | |
| 2024-05-06 | 102 -> 118 | 263.57 -> 226.05 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 101 -> 102 | 263.57 | |
| 2024-04-25 | 102 -> 101 | 263.57 | |
| 2024-04-22 | 103 -> 102 | 263.57 | |
| 2024-04-12 | 112 -> 103 | 253.62 -> 263.57 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 106 -> 112 | 253.62 | |
| 2024-03-20 | 109 -> 106 | 253.62 | |
| 2024-03-14 | 110 -> 109 | 253.62 |