Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date June 5, 2026 (latest changes June 4, 2026).

245 place (221.16).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (478.26 * 2.80 * 0.43 + 492.54 * 4.10 * 1 + 32.26 * 3 * 1 + 0 + 0) / (2.80 * 0.43 + 4.10 * 1 + 3 * 1 + 1 + 1) = 261.17467048799625

p2 = (492.54 * 4.10 * 1 + 478.26 * 2.80 * 0.43 + 32.26 * 3 * 1) / max_coefficients = 181.15286195286197

score = 261.17467048799625 * 0.5 + 181.15286195286197 * 0.5 = 221.16376622042912

Rating changes

Show

all results
Date Place Points Reason
2026-06-04 247 -> 245 221.16
2026-06-01 241 -> 247 231.66 -> 221.16

Riichi never changing: 57% -> 43%
2026-05-31 233 -> 241 231.66
2026-05-25 234 -> 233 231.66
2026-05-23 235 -> 234 231.66
2026-05-17 232 -> 235 231.66
2026-05-12 210 -> 232 271.86 -> 231.66

X Russian Championship: 14% -> 0%
2026-05-11 207 -> 210 271.86
2026-05-05 209 -> 207 271.86
2026-05-03 206 -> 209 271.11 -> 271.86

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
3 478 2024-12-01 13/24 43% 2.80 CRR Riichi never changing Moscow
4 664 2024-05-12 37/108 0% 4.60 RR X Russian Championship Perm
5 870 2022-12-18 4/24 0% 2.80 CRR Meeting in the billiard room Moscow
6 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship Perm
7 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament Kirov
8 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
9 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
10 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
11 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow