Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Online rating
Rating date Jan. 14, 2023 (latest changes Jan. 14, 2023).
135 place (87.43).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.71 + 2.30 * 1) = 7.421475
p1 = (204.82 * 3.20 * 0.29 + 242.72 * 3.45 * 0.43 + 0 + 0 + 0) / (3.20 * 0.29 + 3.45 * 0.43 + 1 + 1 + 1) = 101.27185508380447
p2 = (242.72 * 3.45 * 0.43 + 204.82 * 3.20 * 0.29) / max_coefficients = 73.59049245601447
score = 101.27185508380447 * 0.5 + 73.59049245601447 * 0.5 = 87.43117376990946
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-14 | 137 -> 135 | 85.27 -> 87.43 | |
| 2023-01-10 | 138 -> 137 | 85.27 | |
| 2022-12-20 | 128 -> 138 | 149.68 -> 85.27 |
Demons of winter wind: 14% -> 0% |
| 2022-12-12 | 128 | 147.62 -> 149.68 | |
| 2022-11-21 | 129 -> 128 | 154.13 -> 147.62 |
No Dora Tournament: 43% -> 29% |
| 2022-11-16 | 128 -> 129 | 163.79 -> 154.13 |
Riichi Online Open Team Cup: 57% -> 43% |
| 2022-11-14 | 129 -> 128 | 160.17 -> 163.79 | |
| 2022-11-01 | 135 -> 129 | 160.17 | |
| 2022-10-20 | 130 -> 135 | 202.26 -> 160.17 |
Demons of winter wind: 29% -> 14% |
| 2022-10-11 | 132 -> 130 | 202.26 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 243 |
|
79/104 | 43% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 2 | 205 |
|
67/84 | 29% | 3.20 | ONLINE | No Dora Tournament |
| 3 | 923 |
|
4/40 | 0% | 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 |