Petrov Aleksandr
From Kirov, Russia
EMA: 15990461
Online rating
Rating date Dec. 3, 2022 (latest changes Dec. 3, 2022).
106 place (266.19).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.86 + 2.60 * 1) = 8.185575
p1 = (902.91 * 3.45 * 0.43 + 384.62 * 2.60 * 0.14 + 170.21 * 2.60 * 1 + 0 + 0) / (3.45 * 0.43 + 2.60 * 0.14 + 2.60 * 1 + 1 + 1) = 297.7515460736937
p2 = (902.91 * 3.45 * 0.43 + 170.21 * 2.60 * 1 + 384.62 * 2.60 * 0.14) / max_coefficients = 234.62737804002774
score = 297.7515460736937 * 0.5 + 234.62737804002774 * 0.5 = 266.18946205686075
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-25 | 108 -> 106 | 266.19 | |
2022-11-21 | 111 -> 108 | 266.19 | |
2022-11-16 | 97 -> 111 | 314.83 -> 266.19 |
Riichi Online Open Team Cup: 57% -> 43% |
2022-11-14 | 101 -> 97 | 307.07 -> 314.83 | |
2022-11-10 | 102 -> 101 | 307.07 | |
2022-10-20 | 100 -> 102 | 316.44 -> 307.07 |
Demons of winter wind: 29% -> 14% |
2022-10-18 | 101 -> 100 | 316.44 | |
2022-09-25 | 102 -> 101 | 316.44 | |
2022-09-22 | 169 -> 102 | 288.56 -> 316.44 | |
2021-02-01 | 169 | 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 | 43% | 3.45 | ONLINE | Riichi Online Open Team Cup |
3 | 385 |
|
25/40 | 14% | 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 |