Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

Rating date May 6, 2023 (latest changes May 6, 2023).

86 place (197.72).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

p1 = (600 * 3.30 * 0.43 + 343.28 * 3.50 * 0.86 + 0 + 0 + 0) / (3.30 * 0.43 + 3.50 * 0.86 + 1 + 1 + 1) = 253.35469765572418

p2 = (343.28 * 3.50 * 0.86 + 600 * 3.30 * 0.43) / max_coefficients = 142.07733349065666

score = 253.35469765572418 * 0.5 + 142.07733349065666 * 0.5 = 197.71601557319042

Rating changes

Show

all results
Date Place Points Reason
2023-05-06 86 218.77 -> 197.72

Kirov Tournament: 57% -> 43%
2023-04-19 86 217.29 -> 218.77
2023-03-28 86 215.83 -> 217.29
2023-03-20 86 221.16 -> 215.83

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 85 -> 86 239.68 -> 221.16

Kirov Tournament: 71% -> 57%
2023-02-19 85 238.45 -> 239.68
2023-01-28 85 236.60 -> 238.45
2023-01-06 83 -> 85 253.90 -> 236.60

Kirov Tournament: 86% -> 71%
2022-12-19 83 252.96 -> 253.90
2022-11-28 83 250.71 -> 252.96

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 343 2022-03-20 45/68 86% 3.50 RR Tenpai can't buy happiness
2 600 2021-11-06 23/56 43% 3.30 RR Kirov Tournament
3 667 2020-03-08 14/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
4 259 2019-09-08 21/28 0% 2.60 RR And yet the sinner collects tanyao
5 711 2019-05-04 25/84 0% 4.20 EMA Haru Shanten 2019
6 435 2019-03-09 14/24 0% 2.50 RR Toi-Toi-man Tournament
7 1000 2018-07-28 1/24 0% 1.40 RR Seven ryanmens