Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

78 place (278.73).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335

p1 = (163.64 * 3.30 * 0.71 + 666.67 * 4.20 * 1 + 0 + 0 + 0) / (3.30 * 0.71 + 4.20 * 1 + 1 + 1 + 1) = 333.332287000677

p2 = (666.67 * 4.20 * 1 + 163.64 * 3.30 * 0.71) / max_coefficients = 224.12022792483788

score = 333.332287000677 * 0.5 + 224.12022792483788 * 0.5 = 278.7262574627574

Rating changes

Show

all results
Date Place Points Reason
2023-02-19 79 -> 78 277.23 -> 278.73
2023-01-28 79 274.97 -> 277.23
2023-01-06 79 273.61 -> 274.97

Kirov Tournament: 86% -> 71%
2022-12-19 79 272.54 -> 273.61
2022-11-28 79 270.01 -> 272.54
2022-11-06 88 -> 79 255.85 -> 270.01

IX Russian Riichi Championship: 0% -> 100%

Kirov Tournament: 100% -> 86%
2021-02-01 86 -> 88 432.94 -> 255.85
2020-02-01 86 432.94

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 71% 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