Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).

186 place (85.92).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (343.28 * 3.50 * 0.43 + 200 * 1.20 * 0.57 + 0 + 0 + 0) / (3.50 * 0.43 + 1.20 * 0.57 + 1 + 1 + 1) = 125.74771779751553

p2 = (343.28 * 3.50 * 0.43 + 200 * 1.20 * 0.57) / max_coefficients = 46.085391898978216

score = 125.74771779751553 * 0.5 + 46.085391898978216 * 0.5 = 85.91655484824688

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 174 -> 186 132.08 -> 85.92

Kirov Tournament: 14% -> 0%
2023-11-05 168 -> 174 132.08
2023-11-03 168 133.23 -> 132.08

Vyatka rooster: 71% -> 57%
2023-10-22 166 -> 168 133.23
2023-10-12 166 133.02 -> 133.23
2023-09-28 168 -> 166 133.02
2023-09-20 167 -> 168 145.49 -> 133.02

Tenpai can't buy happiness: 57% -> 43%
2023-09-06 156 -> 167 170.69 -> 145.49

Kirov Tournament: 29% -> 14%
2023-09-03 138 -> 156 175.51 -> 170.69

Vyatka rooster: 86% -> 71%
2023-08-27 133 -> 138 175.51

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2022-07-03 13/16 57% 1.20 CRR Vyatka rooster
2 343 2022-03-20 45/68 43% 3.50 RR Tenpai can't buy happiness
3 600 2021-11-06 23/56 0% 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