Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date June 18, 2026 (latest changes June 16, 2026).

181 place (240.61).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (492.54 * 4.10 * 0.86 + 32.26 * 3 * 1 + 342.66 * 4.71 * 1 + 0 + 0) / (4.10 * 0.86 + 3 * 1 + 4.71 * 1 + 1 + 1) = 260.24586909818504

p2 = (492.54 * 4.10 * 0.86 + 342.66 * 4.71 * 1 + 32.26 * 3 * 1) / max_coefficients = 220.97699322786346

score = 260.24586909818504 * 0.5 + 220.97699322786346 * 0.5 = 240.61143116302424

Rating changes

Show

all results
Date Place Points Reason
2026-06-16 185 -> 181 240.61
2026-06-15 179 -> 185 250.46 -> 240.61

13 bloody tiles: 100% -> 86%
2026-06-14 195 -> 179 176.01 -> 250.46

XII Russian Championship: 0% -> 100%
2026-06-13 197 -> 195 176.01
2026-06-09 198 -> 197 176.01
2026-06-04 200 -> 198 176.01
2026-05-17 198 -> 200 176.01
2026-05-12 192 -> 198 216.73 -> 176.01

X Russian Championship: 14% -> 0%
2026-05-03 185 -> 192 216.15 -> 216.73
2026-04-26 186 -> 185 216.15

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 343 2026-06-14 95/144 100% 4.71 RR XII Russian Championship Samara
2 32 2025-11-30 31/32 100% 3.00 RR Final Cup 2025 Moscow
3 493 2025-06-15 35/68 86% 4.10 RR 13 bloody tiles Perm
4 664 2024-05-12 37/108 0% 4.60 RR X Russian Championship Perm
5 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament Kirov
7 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
8 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
9 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
10 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow