Petrov Aleksandr
From Kirov, Russia
EMA: 15990461
Online rating
Rating date June 28, 2022 (latest changes June 28, 2022).
93 place (400.75).
how we calculated rating score
max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.80 * 1) = 9.006995
p1 = (902.91 * 3.45 * 0.86 + 384.62 * 2.60 * 0.43 + 170.21 * 2.60 * 1 + 0 + 0) / (3.45 * 0.86 + 2.60 * 0.43 + 2.60 * 1 + 1 + 1) = 408.36293751091955
p2 = (902.91 * 3.45 * 0.86 + 170.21 * 2.60 * 1 + 384.62 * 2.60 * 0.43) / max_coefficients = 393.14554965335276
score = 408.36293751091955 * 0.5 + 393.14554965335276 * 0.5 = 400.75424358213616
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-06-26 | 89 -> 93 | 405.22 -> 400.75 | |
2022-06-23 | 170 -> 89 | 288.56 -> 405.22 | |
2021-02-01 | 170 | 288.56 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 170 |
|
40/48 | 100% | 2.60 | ONLINE | Demons of autumn wind |
2 | 903 |
|
11/104 | 86% | 3.45 | ONLINE | Riichi Online Open Team Cup |
3 | 385 |
|
25/40 | 43% | 2.60 | ONLINE | Demons of winter wind |
4 | 363 |
|
87/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
5 | 346 |
|
71/108 | 0% | 3.50 | ONLINE | Spring tournament |
6 | 49 |
|
137/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |