Perfilev Roman
From Arkhangelsk, Russia
Online rating
Rating date June 30, 2022 (latest changes June 30, 2022).
88 place (424.91).
how we calculated rating score
max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.80 * 1) = 9.006995
p1 = (527.27 * 2.80 * 0.29 + 636.36 * 3.40 * 0.43 + 126.21 * 3.45 * 0.86 + 735.63 * 3.25 * 1 + 0) / (2.80 * 0.29 + 3.40 * 0.43 + 3.45 * 0.86 + 3.25 * 1 + 1) = 434.6000901291658
p2 = (735.63 * 3.25 * 1 + 636.36 * 3.40 * 0.43 + 527.27 * 2.80 * 0.29) / max_coefficients = 415.22505563731306
score = 434.6000901291658 * 0.5 + 415.22505563731306 * 0.5 = 424.9125728832394
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-06-26 | 82 -> 88 | 429.63 -> 424.91 | |
| 2022-06-23 | 51 -> 82 | 626.94 -> 429.63 | |
| 2021-02-01 | 84 -> 51 | 258.12 -> 626.94 | |
| 2020-02-01 | 84 | 258.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 736 |
|
24/88 | 100% | 3.25 | ONLINE | Winter Team Fight |
| 2 | 126 |
|
91/104 | 86% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 3 | 636 |
|
37/100 | 43% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 4 | 527 |
|
27/56 | 29% | 2.80 | ONLINE | Autumn Online Tournament |
| 5 | 681 |
|
44/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 6 | 537 |
|
58/124 | 0% | 3.06 | ONLINE | Be cool stay home |
| 7 | 720 |
|
41/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 8 | 150 |
|
35/41 | 0% | 2.40 | ONLINE | Autumn Online Tournament |
| 9 | 578 |
|
36/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup |