Petrov Aleksandr
From Kirov, Russia
EMA: 15990461
Online rating
Rating date May 27, 2022 (latest changes May 27, 2022).
92 place (412.84).
how we calculated rating score
max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.60 * 1) = 8.806995
p1 = (384.62 * 2.60 * 0.57 + 902.91 * 3.45 * 0.86 + 170.21 * 2.60 * 1 + 0 + 0) / (2.60 * 0.57 + 3.45 * 0.86 + 2.60 * 1 + 1 + 1) = 407.3878908083761
p2 = (902.91 * 3.45 * 0.86 + 384.62 * 2.60 * 0.57 + 170.21 * 2.60 * 1) / max_coefficients = 418.28796314747535
score = 407.3878908083761 * 0.5 + 418.28796314747535 * 0.5 = 412.8379269779257
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-05-24 | 86 -> 92 | 435.24 -> 412.84 |
Riichi Online Open Team Cup: 14% -> 0% |
| 2022-05-21 | 86 | 431.90 -> 435.24 | |
| 2022-05-16 | 80 -> 86 | 456.99 -> 431.90 |
Riichi Online Open Team Cup: 100% -> 86% |
| 2022-05-13 | 81 -> 80 | 456.99 | |
| 2022-05-10 | 73 -> 81 | 481.00 -> 456.99 |
Spring tournament: 14% -> 0% |
| 2022-05-07 | 74 -> 73 | 481.00 | |
| 2022-05-01 | 75 -> 74 | 481.00 | |
| 2022-04-29 | 170 -> 75 | 288.56 -> 481.00 | |
| 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 | 57% | 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 |