Petrov Aleksandr
From Kirov, Russia
EMA: 15990461
Online rating
Rating date April 12, 2023 (latest changes April 12, 2023).
114 place (120.27).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 3.25 * 0.57) = 6.95705
p1 = (170.21 * 2.60 * 0.57 + 902.91 * 3.45 * 0.14 + 0 + 0 + 0) / (2.60 * 0.57 + 3.45 * 0.14 + 1 + 1 + 1) = 140.20079760657768
p2 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.57) / max_coefficients = 100.33131859049453
score = 140.20079760657768 * 0.5 + 100.33131859049453 * 0.5 = 120.2660580985361
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-04-12 | 112 -> 114 | 125.85 -> 120.27 |
Demons of autumn wind: 71% -> 57% |
2023-03-21 | 122 -> 112 | 125.85 | |
2023-03-16 | 113 -> 122 | 189.89 -> 125.85 |
Riichi Online Open Team Cup: 29% -> 14% |
2023-03-14 | 113 | 184.47 -> 189.89 | |
2023-02-20 | 114 -> 113 | 184.47 | |
2023-02-15 | 115 -> 114 | 184.47 | |
2023-02-12 | 115 | 187.64 -> 184.47 |
Demons of autumn wind: 86% -> 71% |
2023-01-21 | 118 -> 115 | 187.64 | |
2023-01-16 | 110 -> 118 | 243.31 -> 187.64 |
Riichi Online Open Team Cup: 43% -> 29% |
2023-01-14 | 111 -> 110 | 236.51 -> 243.31 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 170 |
|
40/48 | 57% | 2.60 | ONLINE | Demons of autumn wind |
2 | 903 |
|
11/104 | 14% | 3.45 | ONLINE | Riichi Online Open Team Cup |
3 | 385 |
|
25/40 | 0% | 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 |