Astafev Mikhail
From Yekaterinburg, Russia
Internal rating (RR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
93 place (284.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (678.16 * 3.75 * 1 + 252.34 * 4 * 1 + 0 + 0 + 0) / (3.75 * 1 + 4 * 1 + 1 + 1 + 1) = 330.46046511627907
p2 = (678.16 * 3.75 * 1 + 252.34 * 4 * 1) / max_coefficients = 239.33641067135397
score = 330.46046511627907 * 0.5 + 239.33641067135397 * 0.5 = 284.89843789381655
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-20 | 94 -> 93 | 284.90 | |
| 2023-09-03 | 94 | 284.90 |
SPB Riichi Open 2023: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 252 |
|
81/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 678 |
|
29/88 | 100% | 3.75 | RR | Money can not buy tenpai |