Perfilev Roman
From Arkhangelsk, Russia
Online rating
Rating date Jan. 26, 2023 (latest changes Jan. 26, 2023).
97 place (268.68).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.71 + 2.30 * 1) = 7.421475
p1 = (126.21 * 3.45 * 0.29 + 735.63 * 3.25 * 0.71 + 0 + 0 + 0) / (3.45 * 0.29 + 3.25 * 0.71 + 1 + 1 + 1) = 290.4882403117736
p2 = (735.63 * 3.25 * 0.71 + 126.21 * 3.45 * 0.29) / max_coefficients = 246.87141033285164
score = 290.4882403117736 * 0.5 + 246.87141033285164 * 0.5 = 268.67982532231264
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-25 | 100 -> 97 | 268.68 | |
| 2023-01-21 | 103 -> 100 | 268.68 | |
| 2023-01-16 | 103 | 266.92 -> 268.68 |
Riichi Online Open Team Cup: 43% -> 29% |
| 2023-01-14 | 96 -> 103 | 295.65 -> 266.92 |
Winter Team Fight: 86% -> 71% |
| 2023-01-10 | 97 -> 96 | 295.65 | |
| 2022-12-20 | 99 -> 97 | 295.65 | |
| 2022-12-12 | 100 -> 99 | 290.46 -> 295.65 | |
| 2022-11-25 | 101 -> 100 | 290.46 | |
| 2022-11-21 | 103 -> 101 | 290.46 | |
| 2022-11-16 | 107 -> 103 | 288.49 -> 290.46 |
Riichi Online Open Team Cup: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 736 |
|
24/88 | 71% | 3.25 | ONLINE | Winter Team Fight |
| 2 | 126 |
|
91/104 | 29% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 3 | 636 |
|
37/100 | 0% | 3.40 | ONLINE | Riichi Online Open Team Cup |
| 4 | 527 |
|
27/56 | 0% | 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 |