Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date Dec. 1, 2024 (latest changes Dec. 1, 2024).

101 place (391.31).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (869.57 * 2.80 * 0.14 + 663.55 * 4.60 * 1 + 478.26 * 2.80 * 1 + 0 + 0) / (2.80 * 0.14 + 4.60 * 1 + 2.80 * 1 + 1 + 1) = 483.6063231878793

p2 = (663.55 * 4.60 * 1 + 478.26 * 2.80 * 1 + 869.57 * 2.80 * 0.14) / max_coefficients = 299.0157728706625

score = 483.6063231878793 * 0.5 + 299.0157728706625 * 0.5 = 391.31104802927086

Rating changes

Show

Date Place Points Reason
2024-12-01 125 -> 101 319.78 -> 391.31

Riichi never changing: 0% -> 100%

2024-11-05 112 -> 125 369.90 -> 319.78
2024-11-04 111 -> 112 369.90
2024-11-03 113 -> 111 369.90
2024-10-25 115 -> 113 369.90
2024-10-18 106 -> 115 390.10 -> 369.90

Meeting in the billiard room: 29% -> 14%

2024-10-13 95 -> 106 392.81 -> 390.10
2024-10-11 97 -> 95 392.81
2024-09-15 95 -> 97 392.81
2024-09-06 91 -> 95 410.86 -> 392.81

IX Russian Riichi Championship: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 478 2024-12-01 13/24 100% 2.80 CRR Riichi never changing
2 664 2024-05-12 37/108 100% 4.60 RR X Russian Championship
3 870 2022-12-18 4/24 14% 2.80 CRR Meeting in the billiard room
4 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship
5 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament
6 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
7 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao
8 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019
9 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019