Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

Rating date Sept. 16, 2023 (latest changes Sept. 16, 2023).

129 place (121.25).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (600 * 3.30 * 0.14 + 343.28 * 3.50 * 0.57 + 0 + 0 + 0) / (3.30 * 0.14 + 3.50 * 0.57 + 1 + 1 + 1) = 177.1863868393686

p2 = (343.28 * 3.50 * 0.57 + 600 * 3.30 * 0.14) / max_coefficients = 65.31533731750132

score = 177.1863868393686 * 0.5 + 65.31533731750132 * 0.5 = 121.25086207843495

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 126 -> 129 147.54 -> 121.25

Kirov Tournament: 29% -> 14%
2023-09-03 106 -> 126 154.11 -> 147.54
2023-09-01 56 -> 106 383.16 -> 154.11
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 2022-03-20 45/68 57% 3.50 RR Tenpai can't buy happiness Perm
2 600 2021-11-06 23/56 14% 3.30 RR Kirov Tournament Kirov
3 667 2020-03-08 14/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
4 259 2019-09-08 21/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
5 711 2019-05-04 25/84 0% 4.20 EMA Haru Shanten 2019 Perm
6 435 2019-03-09 14/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
7 1000 2018-07-28 🥇 1/24 0% 1.40 RR Seven ryanmens Kirov