Ivshin Sergei
From Kirov, Russia
EMA: 15990412
Common russian riichi rating (CRR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
96 place (255.79).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (200 * 1.20 * 1 + 600 * 3.30 * 0.71 + 343.28 * 3.50 * 1 + 0 + 0) / (1.20 * 1 + 3.30 * 0.71 + 3.50 * 1 + 1 + 1) = 315.30750707449
p2 = (600 * 3.30 * 0.71 + 343.28 * 3.50 * 1 + 200 * 1.20 * 1) / max_coefficients = 196.27491408934708
score = 315.30750707449 * 0.5 + 196.27491408934708 * 0.5 = 255.79121058191853
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-01-28 | 96 | 254.74 -> 255.79 | |
2023-01-14 | 95 -> 96 | 254.74 | |
2023-01-06 | 91 -> 95 | 271.40 -> 254.74 |
Kirov Tournament: 86% -> 71% |
2023-01-03 | 92 -> 91 | 271.40 | |
2022-12-19 | 92 | 270.37 -> 271.40 | |
2022-12-18 | 90 -> 92 | 270.37 | |
2022-11-28 | 91 -> 90 | 267.94 -> 270.37 | |
2022-11-06 | 65 -> 91 | 290.71 -> 267.94 |
Kirov Tournament: 100% -> 86% |
2022-09-03 | 66 -> 65 | 290.71 | |
2022-08-27 | 63 -> 66 | 290.71 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 200 |
|
13/16 | 100% | 1.20 | CRR | Vyatka rooster |
2 | 343 |
|
45/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
3 | 600 |
|
23/56 | 71% | 3.30 | RR | Kirov Tournament |
4 | 667 |
|
14/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
5 | 259 |
|
21/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
6 | 711 |
|
25/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
7 | 435 |
|
14/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
8 | 1000 |
|
1/24 | 0% | 1.40 | RR | Seven ryanmens |