Perfilev Roman
From Arkhangelsk, Russia
Online rating
Rating date May 13, 2022 (latest changes May 13, 2022).
86 place (437.81).
how we calculated rating score
max_coefficients = (3.45 * 1 + 3.25 * 1 + 3.20 * 0.86) = 9.442720000000001
p1 = (681.48 * 3.69 * 0.14 + 527.27 * 2.80 * 0.29 + 636.36 * 3.40 * 0.43 + 126.21 * 3.45 * 1 + 735.63 * 3.25 * 1) / (3.69 * 0.14 + 2.80 * 0.29 + 3.40 * 0.43 + 3.45 * 1 + 3.25 * 1) = 478.1189859118577
p2 = (735.63 * 3.25 * 1 + 636.36 * 3.40 * 0.43 + 126.21 * 3.45 * 1) / max_coefficients = 397.50940407001366
score = 478.1189859118577 * 0.5 + 397.50940407001366 * 0.5 = 437.8141949909357
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-05-13 | 83 -> 86 | 449.26 -> 437.81 |
Autumn Online Tournament: 43% -> 29% |
| 2022-05-10 | 84 -> 83 | 449.26 | |
| 2022-05-07 | 86 -> 84 | 449.26 | |
| 2022-05-01 | 80 -> 86 | 469.28 -> 449.26 |
Riichi Online Open Team Cup: 57% -> 43% |
| 2022-04-29 | 51 -> 80 | 626.94 -> 469.28 | |
| 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 | 100% | 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 | 14% | 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 |