Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date March 28, 2024 (latest changes March 20, 2024).

81 place (347.48).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (666.67 * 4.20 * 0.57 + 869.57 * 2.80 * 0.71 + 0 + 0 + 0) / (4.20 * 0.57 + 2.80 * 0.71 + 1 + 1 + 1) = 451.2332565757468

p2 = (869.57 * 2.80 * 0.71 + 666.67 * 4.20 * 0.57) / max_coefficients = 243.72919708029195

score = 451.2332565757468 * 0.5 + 243.72919708029195 * 0.5 = 347.4812268280194

Rating changes

Show

Date Place Points Reason
2024-03-20 85 -> 81 347.48
2024-03-10 80 -> 85 353.55 -> 347.48
2024-03-06 74 -> 80 370.66 -> 353.55

IX Russian Riichi Championship: 71% -> 57%

2024-02-27 73 -> 74 370.66
2024-02-25 71 -> 73 370.66
2024-02-18 68 -> 71 392.97 -> 370.66

Meeting in the billiard room: 86% -> 71%

2024-02-12 71 -> 68 392.97
2024-01-20 72 -> 71 392.97
2024-01-06 62 -> 72 406.70 -> 392.97

IX Russian Riichi Championship: 86% -> 71%

2023-12-19 64 -> 62 406.70

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 870 2022-12-18 4/24 71% 2.80 CRR Meeting in the billiard room
2 667 2022-11-06 26/76 57% 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