Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

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

214 place (278.48).

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

p1 = (478.26 * 2.80 * 0.43 + 492.54 * 4.10 * 0.86 + 32.26 * 3 * 1 + 342.66 * 4.71 * 1 + 0) / (2.80 * 0.43 + 4.10 * 0.86 + 3 * 1 + 4.71 * 1 + 1) = 299.1219581963604

p2 = (492.54 * 4.10 * 0.86 + 342.66 * 4.71 * 1 + 478.26 * 2.80 * 0.43 + 32.26 * 3 * 1) / max_coefficients = 257.82982141515635

score = 299.1219581963604 * 0.5 + 257.82982141515635 * 0.5 = 278.47588980575836

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 200 -> 214 286.77 -> 278.48

13 bloody tiles: 100% -> 86%
2026-06-14 242 -> 200 221.16 -> 286.77

XII Russian Championship: 0% -> 100%
2026-06-13 244 -> 242 221.16
2026-06-09 245 -> 244 221.16
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

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