Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).

100 place (342.92).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (666.67 * 4.20 * 0.29 + 663.55 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.29 + 4.60 * 1 + 1 + 1 + 1) = 437.76434839328454

p2 = (663.55 * 4.60 * 1 + 666.67 * 4.20 * 0.29) / max_coefficients = 248.08093557610573

score = 437.76434839328454 * 0.5 + 248.08093557610573 * 0.5 = 342.92264198469513

Rating changes

Show

all results
Date Place Points Reason
2024-09-03 101 -> 100 338.52 -> 342.92
2024-09-01 87 -> 101 344.77 -> 338.52
2024-08-11 89 -> 87 343.44 -> 344.77
2024-08-04 82 -> 89 348.47 -> 343.44
2024-07-14 76 -> 82 348.47
2024-07-06 70 -> 76 369.23 -> 348.47

IX Russian Riichi Championship: 43% -> 29%
2024-06-11 77 -> 70 364.26 -> 369.23
2024-06-09 72 -> 77 364.26
2024-05-12 91 -> 72 288.37 -> 364.26

X Russian Championship: 0% -> 100%
2023-10-19 92 -> 91 288.37

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 664 2024-05-12 37/108 100% 4.60 RR X Russian Championship
2 667 2022-11-06 26/76 29% 4.20 RR IX Russian Riichi Championship
3 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament
4 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
5 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao
6 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019
7 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019