Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

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

104 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
2023-07-06 101 -> 104 184.73 -> 161.65

Kirov Tournament: 43% -> 29%
2023-06-12 102 -> 101 182.28 -> 184.73
2023-06-11 85 -> 102 191.59 -> 182.28
2023-05-28 85 190.51 -> 191.59
2023-05-20 85 197.72 -> 190.51

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 85 218.77 -> 197.72

Kirov Tournament: 57% -> 43%
2023-04-19 85 217.29 -> 218.77
2023-03-28 85 215.83 -> 217.29
2023-03-20 85 221.16 -> 215.83

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 84 -> 85 239.68 -> 221.16

Kirov Tournament: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 343 2022-03-20 45/68 71% 3.50 RR Tenpai can't buy happiness
2 600 2021-11-06 23/56 29% 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