Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

Rating date Nov. 20, 2023 (latest changes Nov. 20, 2023).

186 place (68.24).

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

p1 = (343.28 * 3.50 * 0.29 + 200 * 1.20 * 0.57 + 0 + 0 + 0) / (3.50 * 0.29 + 1.20 * 0.57 + 1 + 1 + 1) = 102.52836865053365

p2 = (343.28 * 3.50 * 0.29 + 200 * 1.20 * 0.57) / max_coefficients = 33.951668643134674

score = 102.52836865053365 * 0.5 + 33.951668643134674 * 0.5 = 68.24001864683416

Rating changes

Show

all results
Date Place Points Reason
2023-11-20 185 -> 186 85.92 -> 68.24

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 173 -> 185 132.08 -> 85.92

Kirov Tournament: 14% -> 0%
2023-11-05 167 -> 173 132.08
2023-11-03 167 133.23 -> 132.08

Vyatka rooster: 71% -> 57%
2023-10-22 165 -> 167 133.23
2023-10-12 165 133.02 -> 133.23
2023-09-28 167 -> 165 133.02
2023-09-20 166 -> 167 145.49 -> 133.02

Tenpai can't buy happiness: 57% -> 43%
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%

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 29% 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