Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

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

94 place (284.44).

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

p1 = (163.64 * 3.30 * 0.14 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.14 + 4.20 * 1 + 1 + 1 + 1) = 375.0431789060127

p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.14) / max_coefficients = 193.8413040834634

score = 375.0431789060127 * 0.5 + 193.8413040834634 * 0.5 = 284.442241494738

Rating changes

Show

all results
Date Place Points Reason
2023-09-20 95 -> 94 284.44
2023-09-06 97 -> 95 280.92 -> 284.44

Kirov Tournament: 29% -> 14%
2023-09-03 77 -> 97 296.42 -> 280.92
2023-08-12 81 -> 77 291.46 -> 296.42
2023-07-28 83 -> 81 291.46
2023-07-20 83 287.51 -> 291.46
2023-07-06 85 -> 83 284.83 -> 287.51

Kirov Tournament: 43% -> 29%
2023-06-19 87 -> 85 284.83
2023-06-12 88 -> 87 280.48 -> 284.83
2023-06-11 68 -> 88 297.00 -> 280.48

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 667 2022-11-06 26/76 100% 4.20 RR IX Russian Riichi Championship
2 164 2021-11-06 47/56 14% 3.30 RR Kirov Tournament
3 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
4 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao
5 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019
6 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019