Astafev Mikhail
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 20, 2023 (latest changes Nov. 20, 2023).
61 place (417.35).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (678.16 * 3.75 * 1 + 368.42 * 2.10 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 0) / (3.75 * 1 + 2.10 * 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 = 402.06094494488264
score = 432.63041825095064 * 0.5 + 402.06094494488264 * 0.5 = 417.3456815979166
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-10-12 | 99 -> 98 | 328.27 -> 329.19 | |
2023-09-28 | 100 -> 99 | 328.27 | |
2023-09-20 | 101 -> 100 | 328.27 | |
2023-09-09 | 102 -> 101 | 328.27 | |
2023-09-03 | 92 -> 102 | 308.95 -> 328.27 |
SPB Riichi Open 2023: 0% -> 100% |
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 |