Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date March 12, 2026 (latest changes March 10, 2026).

169 place (304.73).

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

p1 = (663.55 * 4.60 * 0.29 + 478.26 * 2.80 * 0.71 + 492.54 * 4.10 * 1 + 32.26 * 3 * 1 + 0) / (4.60 * 0.29 + 2.80 * 0.71 + 4.10 * 1 + 3 * 1 + 1) = 345.59927669424036

p2 = (492.54 * 4.10 * 1 + 478.26 * 2.80 * 0.71 + 663.55 * 4.60 * 0.29 + 32.26 * 3 * 1) / max_coefficients = 263.8635451505017

score = 345.59927669424036 * 0.5 + 263.8635451505017 * 0.5 = 304.731410922371

Rating changes

Show

Date Place Points Reason
2026-03-07 167 -> 169 304.73
2026-03-02 168 -> 167 304.73
2026-03-01 170 -> 168 304.73
2026-02-28 172 -> 170 304.73
2026-02-23 166 -> 172 304.73
2026-02-13 168 -> 166 304.73
2026-02-08 163 -> 168 304.73
2026-02-04 164 -> 163 304.73
2026-02-02 166 -> 164 304.73
2026-02-01 164 -> 166 313.37 -> 304.73

Riichi never changing: 86% -> 71%

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 71% 2.80 CRR Riichi never changing Moscow
4 664 2024-05-12 37/108 29% 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