Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

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

82 place (291.46).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (163.64 * 3.30 * 0.29 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.29 + 4.20 * 1 + 1 + 1 + 1) = 362.808416259252

p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.29) / max_coefficients = 220.12114456617184

score = 362.808416259252 * 0.5 + 220.12114456617184 * 0.5 = 291.4647804127119

Rating changes

Show

all results
Date Place Points Reason
2023-07-28 84 -> 82 291.46
2023-07-20 84 287.51 -> 291.46
2023-07-06 86 -> 84 284.83 -> 287.51

Kirov Tournament: 43% -> 29%
2023-06-19 87 -> 86 255.85 -> 284.83
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 29% 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