Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).

166 place (133.02).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (200 * 1.20 * 0.71 + 600 * 3.30 * 0.14 + 343.28 * 3.50 * 0.43 + 0 + 0) / (1.20 * 0.71 + 3.30 * 0.14 + 3.50 * 0.43 + 1 + 1) = 200.73806698517032

p2 = (343.28 * 3.50 * 0.43 + 600 * 3.30 * 0.14 + 200 * 1.20 * 0.71) / max_coefficients = 65.30590520797297

score = 200.73806698517032 * 0.5 + 65.30590520797297 * 0.5 = 133.02198609657165

Rating changes

Show

all results
Date Place Points Reason
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
2023-08-26 132 -> 133 175.51
2023-08-12 132 173.34 -> 175.51
2023-07-28 133 -> 132 173.34
2023-07-20 132 -> 133 183.20 -> 173.34

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 128 -> 132 204.98 -> 183.20

Kirov Tournament: 43% -> 29%

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 43% 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