Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

92 place (271.40).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (600 * 3.30 * 0.86 + 343.28 * 3.50 * 1 + 200 * 1.20 * 1 + 0 + 0) / (3.30 * 0.86 + 3.50 * 1 + 1.20 * 1 + 1 + 1) = 329.3879474373008

p2 = (600 * 3.30 * 0.86 + 343.28 * 3.50 * 1 + 200 * 1.20 * 1) / max_coefficients = 213.40525375850066

score = 329.3879474373008 * 0.5 + 213.40525375850066 * 0.5 = 271.3966005979007

Rating changes

Show

all results
Date Place Points Reason
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
2022-08-20 62 -> 63 290.71
2022-07-09 60 -> 62 290.71
2022-07-03 65 -> 60 273.56 -> 290.71

Vyatka rooster: 0% -> 100%
2022-06-12 47 -> 65 281.48 -> 273.56

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2022-07-03 13/16 100% 1.20 CRR Vyatka rooster
2 343 2022-03-20 45/68 100% 3.50 RR Tenpai can't buy happiness
3 600 2021-11-06 23/56 86% 3.30 RR Kirov Tournament
4 667 2020-03-08 14/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
5 259 2019-09-08 21/28 0% 2.60 RR And yet the sinner collects tanyao
6 711 2019-05-04 25/84 0% 4.20 EMA Haru Shanten 2019
7 435 2019-03-09 14/24 0% 2.50 RR Toi-Toi-man Tournament
8 1000 2018-07-28 1/24 0% 1.40 RR Seven ryanmens