Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Online rating
Rating date June 28, 2022 (latest changes June 28, 2022).
129 place (255.43).
how we calculated rating score
max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 2.80 * 1) = 9.006995
p1 = (204.82 * 3.20 * 0.71 + 242.72 * 3.45 * 0.86 + 923.08 * 2.60 * 0.43 + 0 + 0) / (3.20 * 0.71 + 3.45 * 0.86 + 2.60 * 0.43 + 1 + 1) = 264.9873790177591
p2 = (923.08 * 2.60 * 0.43 + 242.72 * 3.45 * 0.86 + 204.82 * 3.20 * 0.71) / max_coefficients = 245.86779497490565
score = 264.9873790177591 * 0.5 + 245.86779497490565 * 0.5 = 255.42758699633237
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-06-26 | 127 -> 129 | 258.22 -> 255.43 | |
| 2022-06-23 | 54 -> 127 | 618.43 -> 258.22 | |
| 2021-02-01 | 54 | 618.43 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 243 |
|
79/104 | 86% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 2 | 205 |
|
67/84 | 71% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 923 |
|
4/40 | 43% | 2.60 | ONLINE | Demons of winter wind |
| 4 | 867 |
|
19/136 | 0% | 3.69 | ONLINE | Riichi Online Open Team Cup |
| 5 | 178 |
|
89/108 | 0% | 3.50 | ONLINE | Spring tournament |
| 6 | 366 |
|
79/124 | 0% | 3.06 | ONLINE | Be cool stay home |
| 7 | 531 |
|
68/144 | 0% | 3.71 | ONLINE | Riichi Online Open Team Cup 2020 |
| 8 | 289 |
|
60/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup |