Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Common russian riichi rating (CRR)

Rating date Sept. 29, 2023 (latest changes Sept. 29, 2023).

165 place (133.02).

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

p1 = (600 * 3.30 * 0.14 + 200 * 1.20 * 0.71 + 343.28 * 3.50 * 0.43 + 0 + 0) / (3.30 * 0.14 + 1.20 * 0.71 + 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
2023-09-28 167 -> 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%
2023-09-03 138 -> 155 175.51 -> 170.69

Vyatka rooster: 86% -> 71%
2023-09-01 62 -> 138 383.16 -> 175.51
2021-02-01 102 -> 62 417.17 -> 383.16
2020-02-01 102 417.17

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 200 2022-07-03 13/16 71% 1.20 CRR Vyatka rooster Kirov
2 343 2022-03-20 45/68 43% 3.50 RR Tenpai can't buy happiness Perm
3 600 2021-11-06 23/56 14% 3.30 RR Kirov Tournament Kirov
4 667 2020-03-08 14/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
5 259 2019-09-08 21/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
6 711 2019-05-04 25/84 0% 4.20 EMA Haru Shanten 2019 Perm
7 435 2019-03-09 14/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
8 1000 2018-07-28 🥇 1/24 0% 1.40 RR Seven ryanmens Kirov