Bogatikov Aleksander
From Moscow, Russia
EMA: 15990107
Common russian riichi rating (CRR)
Rating date April 12, 2024 (latest changes April 12, 2024).
103 place (263.57).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (27.03 * 4.05 * 0.14 + 813.33 * 4.20 * 0.57 + 230.77 * 2.90 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 2.90 * 1 + 1 + 1) = 334.6738802773327
p2 = (813.33 * 4.20 * 0.57 + 230.77 * 2.90 * 1 + 27.03 * 4.05 * 0.14) / max_coefficients = 192.4649635036496
score = 334.6738802773327 * 0.5 + 192.4649635036496 * 0.5 = 263.5694218904912
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-03-10 | 105 -> 110 | 258.44 -> 253.62 | |
| 2024-03-09 | 106 -> 105 | 258.44 | |
| 2024-03-06 | 99 -> 106 | 288.41 -> 258.44 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-03-03 | 100 -> 99 | 288.41 | |
| 2024-02-25 | 97 -> 100 | 288.41 | |
| 2024-02-20 | 96 -> 97 | 288.41 |