Perfilev Roman
From Arkhangelsk, Russia
Online rating
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
51 place (626.94).
how we calculated rating score
max_coefficients = (3.71 * 1 + 3.70 * 1 + 3.69 * 1) = 11.1
p1 = (536.59 * 3.06 * 1 + 578.31 * 3.20 * 0.14 + 150 * 2.40 * 0.57 + 720.28 * 3.71 * 1 + 527.27 * 2.80 * 1 + 636.36 * 3.40 * 1 + 681.48 * 3.69 * 1) / (3.06 * 1 + 3.20 * 0.14 + 2.40 * 0.57 + 3.71 * 1 + 2.80 * 1 + 3.40 * 1 + 3.69 * 1) = 591.6611497654776
p2 = (720.28 * 3.71 * 1 + 681.48 * 3.69 * 1 + 636.36 * 3.40 * 1) / max_coefficients = 662.2117117117117
score = 591.6611497654776 * 0.5 + 662.2117117117117 * 0.5 = 626.9364307385947
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | 636 |
|
37/100 | 100% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 2 | 527 |
|
27/56 | 100% | 2.80 | ONLINE | Autumn Online Tournament |
| 3 | 681 |
|
44/136 | 100% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 4 | 537 |
|
58/124 | 100% | 3.06 | ONLINE | Be cool stay home |
| 5 | 720 |
|
41/144 | 100% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 6 | 150 |
|
35/41 | 57% | 2.40 | ONLINE | Autumn Online Tournament |
| 7 | 578 |
|
36/84 | 14% | 3.20 | ONLINE | Riichi Online Open Team Cup |