Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Internal rating (RR)
Rating date May 28, 2023 (latest changes May 28, 2023).
85 place (191.59).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139
p1 = (600 * 3.30 * 0.43 + 343.28 * 3.50 * 0.71 + 0 + 0 + 0) / (3.30 * 0.43 + 3.50 * 0.71 + 1 + 1 + 1) = 246.85476604723746
p2 = (343.28 * 3.50 * 0.71 + 600 * 3.30 * 0.43) / max_coefficients = 136.31553685333657
score = 246.85476604723746 * 0.5 + 136.31553685333657 * 0.5 = 191.58515145028701
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-28 | 85 | 190.51 -> 191.59 | |
2023-05-20 | 85 | 197.72 -> 190.51 |
Tenpai can't buy happiness: 86% -> 71% |
2023-05-06 | 85 | 218.77 -> 197.72 |
Kirov Tournament: 57% -> 43% |
2023-05-05 | 56 -> 85 | 383.16 -> 218.77 | |
2021-02-01 | 93 -> 56 | 417.17 -> 383.16 | |
2020-02-01 | 93 | 417.17 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 343 |
|
45/68 | 71% | 3.50 | RR | Tenpai can't buy happiness | Perm |
2 | 600 |
|
23/56 | 43% | 3.30 | RR | Kirov Tournament | Kirov |
3 | 667 |
|
14/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai | Kirov |
4 | 259 |
|
21/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao | Kirov |
5 | 711 |
|
25/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |
6 | 435 |
|
14/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament | Kirov |
7 | 1000 |
|
1/24 | 0% | 1.40 | RR | Seven ryanmens | Kirov |