Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Online rating
Rating date Feb. 18, 2023 (latest changes Feb. 18, 2023).
137 place (59.89).
how we calculated rating score
max_coefficients = (2.80 * 1 + 3.25 * 0.71 + 2.30 * 1) = 7.421475
p1 = (204.82 * 3.20 * 0.14 + 242.72 * 3.45 * 0.29 + 0 + 0 + 0) / (3.20 * 0.14 + 3.45 * 0.29 + 1 + 1 + 1) = 74.92777875935893
p2 = (242.72 * 3.45 * 0.29 + 204.82 * 3.20 * 0.14) / max_coefficients = 44.85631225598684
score = 74.92777875935893 * 0.5 + 44.85631225598684 * 0.5 = 59.89204550767289
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-23 | 53 -> 137 | 618.43 -> 59.89 | |
| 2021-02-01 | 53 | 618.43 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 243 |
|
79/104 | 29% | 3.45 | ONLINE | Riichi Online Open Team Cup |
| 2 | 205 |
|
67/84 | 14% | 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 |