Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date Sept. 9, 2026 (latest changes Sept. 7, 2026).

194 place (227.05).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (492.54 * 4.10 * 0.71 + 32.26 * 3 * 1 + 342.66 * 4.71 * 1 + 0 + 0) / (4.10 * 0.71 + 3 * 1 + 4.71 * 1 + 1 + 1) = 249.4851103323699

p2 = (342.66 * 4.71 * 1 + 492.54 * 4.10 * 0.71 + 32.26 * 3 * 1) / max_coefficients = 204.61713173264116

score = 249.4851103323699 * 0.5 + 204.61713173264116 * 0.5 = 227.05112103250553

Rating changes

Show

all results
Date Place Points Reason
2026-09-06 187 -> 194 227.05
2026-09-01 190 -> 187 227.05
2026-08-31 190 226.72 -> 227.05
2026-08-16 188 -> 190 226.72
2026-08-15 180 -> 188 240.61 -> 226.72

13 bloody tiles: 86% -> 71%
2026-08-13 181 -> 180 240.61
2026-08-04 184 -> 181 240.61
2026-08-02 185 -> 184 240.61
2026-07-25 183 -> 185 240.61
2026-07-18 181 -> 183 240.61

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 71% 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