Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Internal rating (RR)
Rating date Nov. 6, 2022 (latest changes Nov. 6, 2022).
82 place (250.71).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (600 * 3.30 * 0.86 + 343.28 * 3.50 * 1 + 0 + 0 + 0) / (3.30 * 0.86 + 3.50 * 1 + 1 + 1 + 1) = 310.7221686821899
p2 = (600 * 3.30 * 0.86 + 343.28 * 3.50 * 1) / max_coefficients = 190.69407894736844
score = 310.7221686821899 * 0.5 + 190.69407894736844 * 0.5 = 250.70812381477916
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 61 -> 82 | 273.56 -> 250.71 |
Kirov Tournament: 100% -> 86% |
2022-10-14 | 56 -> 61 | 383.16 -> 273.56 | |
2021-02-01 | 93 -> 56 | 417.17 -> 383.16 | |
2020-02-01 | 93 | 417.17 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 343 |
|
45/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
2 | 600 |
|
23/56 | 86% | 3.30 | RR | Kirov Tournament |
3 | 667 |
|
14/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
4 | 259 |
|
21/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
5 | 711 |
|
25/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
6 | 435 |
|
14/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
7 | 1000 |
|
1/24 | 0% | 1.40 | RR | Seven ryanmens |