Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

Rating date June 10, 2023 (latest changes May 30, 2023).

94 place (278.37).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (666.67 * 2.90 * 0.43 + 600 * 3.30 * 0.43 + 343.28 * 3.50 * 0.71 + 0 + 0) / (2.90 * 0.43 + 3.30 * 0.43 + 3.50 * 0.71 + 1 + 1) = 354.2488372125515

p2 = (343.28 * 3.50 * 0.71 + 600 * 3.30 * 0.43 + 666.67 * 2.90 * 0.43) / max_coefficients = 202.4926945011696

score = 354.2488372125515 * 0.5 + 202.4926945011696 * 0.5 = 278.37076585686054

Rating changes

Show

all results
Date Place Points Reason
2023-05-30 99 -> 94 278.37
2023-05-28 99 276.78 -> 278.37
2023-05-20 99 279.14 -> 276.78

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 94 -> 99 296.98 -> 279.14

Kirov Tournament: 57% -> 43%
2023-04-30 82 -> 94 339.57 -> 296.98

And yet the sinner collects tanyao: 14% -> 0%

Big open chiitoitsu in a small tenpai: 57% -> 43%
2023-04-19 83 -> 82 337.28 -> 339.57
2023-03-30 87 -> 83 337.28
2023-03-28 89 -> 87 335.00 -> 337.28
2023-03-20 89 334.30 -> 335.00

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 85 -> 89 349.03 -> 334.30

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 43% 3.30 RR Kirov Tournament
3 667 2020-03-08 14/40 43% 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