Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date March 26, 2026 (latest changes March 26, 2026).

175 place (216.15).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (663.55 * 4.60 * 0.14 + 492.54 * 4.10 * 1 + 32.26 * 3 * 1 + 0 + 0) / (4.60 * 0.14 + 4.10 * 1 + 3 * 1 + 1 + 1) = 261.58256246067066

p2 = (492.54 * 4.10 * 1 + 663.55 * 4.60 * 0.14 + 32.26 * 3 * 1) / max_coefficients = 170.7257525083612

score = 261.58256246067066 * 0.5 + 170.7257525083612 * 0.5 = 216.15415748451593

Rating changes

Show

all results
Date Place Points Reason
2026-03-26 177 -> 175 216.15
2026-03-12 171 -> 177 243.41 -> 216.15

X Russian Championship: 29% -> 14%
2026-03-01 173 -> 171 243.41
2026-02-23 165 -> 173 243.41
2026-02-13 166 -> 165 243.41
2026-02-09 165 -> 166 243.41
2026-02-08 164 -> 165 243.41
2026-02-04 165 -> 164 243.41
2026-01-30 166 -> 165 243.41
2026-01-26 167 -> 166 243.41

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 32 2025-11-30 31/32 100% 3.00 RR Final Cup 2025 Moscow
2 493 2025-06-15 35/68 100% 4.10 RR 13 bloody tiles Perm
3 664 2024-05-12 37/108 14% 4.60 RR X Russian Championship Perm
4 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship Perm
5 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament Kirov
6 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
7 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
8 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
9 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow