Bakhtin Aleksey
From Khanty-Mansiysk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
171 place (127.13).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (66.67 * 4.20 * 1 + 582.09 * 3.50 * 0.57 + 0 + 0 + 0) / (4.20 * 1 + 3.50 * 0.57 + 1 + 1 + 1) = 156.97127142686332
p2 = (582.09 * 3.50 * 0.57 + 66.67 * 4.20 * 1) / max_coefficients = 97.29355722915612
score = 156.97127142686332 * 0.5 + 97.29355722915612 * 0.5 = 127.13241432800973
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-03 | 152 -> 171 | 131.41 -> 127.13 | |
| 2023-09-01 | 152 | 131.41 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 |
|
71/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 2 | 582 |
|
29/68 | 57% | 3.50 | RR | Tenpai can't buy happiness | Perm |