Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

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

166 place (145.49).

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 + 200 * 1.20 * 0.71 + 0 + 0) / (3.30 * 0.14 + 3.50 * 0.57 + 1.20 * 0.71 + 1 + 1) = 214.10756610986314

p2 = (343.28 * 3.50 * 0.57 + 600 * 3.30 * 0.14 + 200 * 1.20 * 0.71) / max_coefficients = 76.86495543496679

score = 214.10756610986314 * 0.5 + 76.86495543496679 * 0.5 = 145.48626077241497

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 155 -> 166 170.69 -> 145.49

Kirov Tournament: 29% -> 14%
2023-09-03 137 -> 155 175.51 -> 170.69

Vyatka rooster: 86% -> 71%
2023-08-27 132 -> 137 175.51
2023-08-26 131 -> 132 175.51
2023-08-12 131 173.34 -> 175.51
2023-07-28 132 -> 131 173.34
2023-07-20 131 -> 132 183.20 -> 173.34

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 127 -> 131 204.98 -> 183.20

Kirov Tournament: 43% -> 29%
2023-07-05 128 -> 127 204.98
2023-07-03 129 -> 128 205.27 -> 204.98

Vyatka rooster: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 200 2022-07-03 13/16 71% 1.20 CRR Vyatka rooster
2 343 2022-03-20 45/68 57% 3.50 RR Tenpai can't buy happiness
3 600 2021-11-06 23/56 14% 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