Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

103 place (321.68).

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

p1 = (666.67 * 4.20 * 0.14 + 663.55 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.14 + 4.60 * 1 + 1 + 1 + 1) = 421.0224653605165

p2 = (663.55 * 4.60 * 1 + 666.67 * 4.20 * 0.14) / max_coefficients = 222.33198526570672

score = 421.0224653605165 * 0.5 + 222.33198526570672 * 0.5 = 321.6772253131116

Rating changes

Show

all results
Date Place Points Reason
2024-10-11 105 -> 103 321.68
2024-09-06 100 -> 105 342.92 -> 321.68

IX Russian Riichi Championship: 29% -> 14%
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

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 14% 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