Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

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

68 place (297.00).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (163.64 * 3.30 * 0.43 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.43 + 4.20 * 1 + 1 + 1 + 1) = 351.9046060192376

p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.43) / max_coefficients = 242.10091691098194

score = 351.9046060192376 * 0.5 + 242.10091691098194 * 0.5 = 297.00276146510976

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 71 -> 68 295.10 -> 297.00
2023-05-20 73 -> 71 290.60 -> 295.10
2023-05-06 74 -> 73 288.63 -> 290.60

Kirov Tournament: 57% -> 43%
2023-05-05 87 -> 74 255.85 -> 288.63
2021-02-01 85 -> 87 432.94 -> 255.85
2020-02-01 85 432.94

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 667 2022-11-06 26/76 100% 4.20 RR IX Russian Riichi Championship Perm
2 164 2021-11-06 47/56 43% 3.30 RR Kirov Tournament Kirov
3 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
4 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
5 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
6 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow