Astafev Mikhail
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
106 place (352.34).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (678.16 * 3.75 * 0.71 + 368.42 * 2.10 * 1 + 252.34 * 4 * 1 + 592.59 * 2.30 * 1 + 629.63 * 2.30 * 1 + 333.33 * 1.60 * 1 + 102.80 * 4.60 * 1 + 212.77 * 2.80 * 1 + 202.53 * 3.65 * 1) / (3.75 * 0.71 + 2.10 * 1 + 4 * 1 + 2.30 * 1 + 2.30 * 1 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 336.24096547551017
p2 = (678.16 * 3.75 * 0.71 + 629.63 * 2.30 * 1 + 592.59 * 2.30 * 1 + 252.34 * 4 * 1) / max_coefficients = 368.4313725490196
score = 336.24096547551017 * 0.5 + 368.4313725490196 * 0.5 = 352.3361690122649
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-11 | 103 -> 106 | 365.57 -> 352.34 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 94 -> 103 | 384.60 -> 365.57 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 84 -> 94 | 395.23 -> 384.60 |
Guardian of the Winds: 0% -> 100% |
2024-07-06 | 85 -> 84 | 395.23 | |
2024-06-11 | 84 -> 85 | 403.79 -> 395.23 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 80 -> 84 | 403.79 | |
2024-05-19 | 78 -> 80 | 403.79 | |
2024-05-12 | 47 -> 78 | 471.21 -> 403.79 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 48 -> 47 | 471.21 | |
2024-05-05 | 47 -> 48 | 479.21 -> 471.21 |
Akademgorodok: Riichi Mahjong Tournament 2024: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 203 |
|
64/80 | 100% | 3.65 | RR | Riichi over Volga |
2 | 213 |
|
38/48 | 100% | 2.80 | RR | Guardian of the Winds |
3 | 103 |
|
97/108 | 100% | 4.60 | RR | X Russian Championship |
4 | 333 |
|
11/16 | 100% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 |
5 | 630 |
|
11/28 | 100% | 2.30 | CRR | Chasing Kan |
6 | 593 |
|
12/28 | 100% | 2.30 | CRR | Finding Dora |
7 | 252 |
|
81/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
8 | 368 |
|
13/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
9 | 678 |
|
29/88 | 71% | 3.75 | RR | Money can not buy tenpai |