Astafev Mikhail
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 27, 2023 (latest changes Dec. 27, 2023).
60 place (415.93).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (368.42 * 2.10 * 1 + 678.16 * 3.75 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 0) / (2.10 * 1 + 3.75 * 1 + 4 * 1 + 2.30 * 1 + 1) = 432.63041825095064
p2 = (678.16 * 3.75 * 1 + 592.59 * 2.30 * 1 + 252.34 * 4 * 1 + 368.42 * 2.10 * 1) / max_coefficients = 399.23942898927845
score = 432.63041825095064 * 0.5 + 399.23942898927845 * 0.5 = 415.93492362011455
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 61 -> 60 | 415.93 | |
2023-12-18 | 62 -> 61 | 415.93 | |
2023-12-12 | 64 -> 62 | 415.93 | |
2023-11-28 | 66 -> 64 | 415.93 | |
2023-11-26 | 61 -> 66 | 417.35 -> 415.93 | |
2023-11-06 | 63 -> 61 | 409.17 -> 417.35 | |
2023-11-05 | 98 -> 63 | 329.19 -> 409.17 |
Finding Dora: 0% -> 100% |
2023-10-27 | 99 -> 98 | 329.19 | |
2023-10-22 | 96 -> 99 | 329.19 | |
2023-10-19 | 98 -> 96 | 329.19 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 593 |
|
12/28 | 100% | 2.30 | CRR | Finding Dora |
2 | 252 |
|
81/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
3 | 368 |
|
13/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
4 | 678 |
|
29/88 | 100% | 3.75 | RR | Money can not buy tenpai |