Bakhtin Aleksey
From Khanty-Mansiysk, Russia
Internal rating (RR)
Rating date May 6, 2023 (latest changes May 6, 2023).
88 place (175.95).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118
p1 = (582.09 * 3.50 * 0.86 + 66.67 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 198.64801933361767
p2 = (582.09 * 3.50 * 0.86 + 66.67 * 4.20 * 1) / max_coefficients = 153.2525841112518
score = 198.64801933361767 * 0.5 + 153.2525841112518 * 0.5 = 175.95030172243474
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-05 | 88 | 175.95 |
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 | 86% | 3.50 | RR | Tenpai can't buy happiness | Perm |