Bakhtin Aleksey
From Khanty-Mansiysk, Russia
Common russian riichi rating (CRR)
Rating date July 5, 2023 (latest changes July 5, 2023).
143 place (150.45).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (582.09 * 3.50 * 0.71 + 66.67 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 1 + 1 + 1) = 178.8908304596368
p2 = (582.09 * 3.50 * 0.71 + 66.67 * 4.20 * 1) / max_coefficients = 122.01806380660499
score = 178.8908304596368 * 0.5 + 122.01806380660499 * 0.5 = 150.45444713312088
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-19 | 143 | 150.45 |
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 | 71% | 3.50 | RR | Tenpai can't buy happiness | Perm |