Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

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

105 place (161.65).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

p1 = (600 * 3.30 * 0.29 + 343.28 * 3.50 * 0.71 + 0 + 0 + 0) / (3.30 * 0.29 + 3.50 * 0.71 + 1 + 1 + 1) = 221.00744079492648

p2 = (343.28 * 3.50 * 0.71 + 600 * 3.30 * 0.29) / max_coefficients = 102.2835143688038

score = 221.00744079492648 * 0.5 + 102.2835143688038 * 0.5 = 161.64547758186512

Rating changes

Show

all results
Date Place Points Reason
2023-07-06 102 -> 105 184.73 -> 161.65

Kirov Tournament: 43% -> 29%
2023-06-19 56 -> 102 383.16 -> 184.73
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 71% 3.50 RR Tenpai can't buy happiness Perm
2 600 2021-11-06 23/56 29% 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