Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

209 place (271.11).

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

p1 = (663.55 * 4.60 * 0.14 + 478.26 * 2.80 * 0.57 + 492.54 * 4.10 * 1 + 32.26 * 3 * 1 + 0) / (4.60 * 0.14 + 2.80 * 0.57 + 4.10 * 1 + 3 * 1 + 1) = 320.3096185670728

p2 = (492.54 * 4.10 * 1 + 478.26 * 2.80 * 0.57 + 663.55 * 4.60 * 0.14 + 32.26 * 3 * 1) / max_coefficients = 221.90836120401337

score = 320.3096185670728 * 0.5 + 221.90836120401337 * 0.5 = 271.1089898855431

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 198 -> 209 271.11
2026-04-16 201 -> 198 271.11
2026-04-13 202 -> 201 271.11
2026-04-11 193 -> 202 271.11
2026-04-09 194 -> 193 271.11
2026-04-05 190 -> 194 271.11
2026-04-04 193 -> 190 271.11
2026-04-02 194 -> 193 271.11
2026-04-01 190 -> 194 280.45 -> 271.11

Riichi never changing: 71% -> 57%
2026-03-23 191 -> 190 280.45

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 57% 2.80 CRR Riichi never changing Moscow
4 664 2024-05-12 37/108 14% 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