Petrov Aleksandr
From Kirov, Russia
EMA: 15990461
Online rating
Rating date April 10, 2023 (latest changes April 10, 2023).
112 place (125.85).
how we calculated rating score
max_coefficients = (2.80 * 1 + 2.30 * 1 + 2.60 * 0.71) = 6.95718
p1 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.71 + 0 + 0 + 0) / (3.45 * 0.14 + 2.60 * 0.71 + 1 + 1 + 1) = 142.28666859183375
p2 = (902.91 * 3.45 * 0.14 + 170.21 * 2.60 * 0.71) / max_coefficients = 109.42077105953848
score = 142.28666859183375 * 0.5 + 109.42077105953848 * 0.5 = 125.85371982568611
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-01-10 | 113 -> 111 | 236.51 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 170 |
|
40/48 | 71% | 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 |