Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Internal rating (RR)
Rating date June 19, 2023 (latest changes June 19, 2023).
101 place (184.73).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
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 = 122.60775839621358
score = 246.85476604723746 * 0.5 + 122.60775839621358 * 0.5 = 184.73126222172553
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 102 -> 101 | 182.28 -> 184.73 | |
2023-06-11 | 85 -> 102 | 191.59 -> 182.28 | |
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% |
2023-04-19 | 85 | 217.29 -> 218.77 | |
2023-03-28 | 85 | 215.83 -> 217.29 | |
2023-03-20 | 85 | 221.16 -> 215.83 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 84 -> 85 | 239.68 -> 221.16 |
Kirov Tournament: 71% -> 57% |
2023-02-19 | 84 | 238.45 -> 239.68 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 343 |
|
45/68 | 71% | 3.50 | RR | Tenpai can't buy happiness |
2 | 600 |
|
23/56 | 43% | 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 |