Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Common russian riichi rating (CRR)

Rating date Aug. 28, 2026 (latest changes Aug. 27, 2026).

235 place (256.48).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 15.459999999999999

p1 = (478.26 * 2.80 * 0.29 + 492.54 * 4.10 * 0.71 + 32.26 * 3 * 1 + 342.66 * 4.71 * 1 + 0) / (2.80 * 0.29 + 4.10 * 0.71 + 3 * 1 + 4.71 * 1 + 1) = 284.25569136051587

p2 = (342.66 * 4.71 * 1 + 492.54 * 4.10 * 0.71 + 478.26 * 2.80 * 0.29 + 32.26 * 3 * 1) / max_coefficients = 228.70245795601556

score = 284.25569136051587 * 0.5 + 228.70245795601556 * 0.5 = 256.47907465826574

Rating changes

Show

all results
Date Place Points Reason
2026-08-27 236 -> 235 256.48
2026-08-26 237 -> 236 256.48
2026-08-16 233 -> 237 256.48
2026-08-15 221 -> 233 269.58 -> 256.48

13 bloody tiles: 86% -> 71%
2026-08-14 222 -> 221 269.58
2026-08-13 224 -> 222 269.58
2026-08-04 227 -> 224 269.58
2026-08-03 228 -> 227 269.58
2026-08-02 224 -> 228 269.58
2026-08-01 216 -> 224 278.48 -> 269.58

Riichi never changing: 43% -> 29%

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
4 478 2024-12-01 13/24 29% 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