Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Online rating
Rating date Nov. 12, 2022 (latest changes Nov. 12, 2022).
130 place (160.17).
how we calculated rating score
max_coefficients = (3.25 * 1 + 2.80 * 1 + 2.60 * 1) = 8.65
p1 = (923.08 * 2.60 * 0.14 + 204.82 * 3.20 * 0.43 + 242.72 * 3.45 * 0.57 + 0 + 0) / (2.60 * 0.14 + 3.20 * 0.43 + 3.45 * 0.57 + 1 + 1) = 192.90772943393782
p2 = (242.72 * 3.45 * 0.57 + 923.08 * 2.60 * 0.14 + 204.82 * 3.20 * 0.43) / max_coefficients = 127.43930635838151
score = 192.90772943393782 * 0.5 + 127.43930635838151 * 0.5 = 160.17351789615967
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2022-11-01 | 136 -> 130 | 160.17 | |
| 2022-10-20 | 131 -> 136 | 202.26 -> 160.17 |
Demons of winter wind: 29% -> 14% |
| 2022-10-11 | 133 -> 131 | 202.26 | |
| 2022-09-21 | 134 -> 133 | 206.53 -> 202.26 |
No Dora Tournament: 57% -> 43% |
| 2022-09-16 | 135 -> 134 | 213.71 -> 206.53 |
Riichi Online Open Team Cup: 71% -> 57% |
| 2022-09-13 | 136 -> 135 | 213.71 | |
| 2022-09-11 | 128 -> 136 | 213.71 | |
| 2022-09-01 | 131 -> 128 | 213.71 | |
| 2022-08-20 | 124 -> 131 | 250.77 -> 213.71 |
Demons of winter wind: 43% -> 29% |
| 2022-08-11 | 125 -> 124 | 250.77 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 243 |
|
79/104 | 57% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 2 | 205 |
|
67/84 | 43% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 923 |
|
4/40 | 14% | 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 |