Ermolaev Andrei

Winner Yoroshiku League 2

From Sarov, Russia

EMA: 15990413

Player page

Internal rating (RR)

Rating date Nov. 8, 2026 (latest changes Nov. 7, 2026).

192 place (214.90).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (492.54 * 4.10 * 0.57 + 32.26 * 3 * 1 + 342.66 * 4.71 * 1 + 0 + 0) / (4.10 * 0.57 + 3 * 1 + 4.71 * 1 + 1 + 1) = 237.67043842313035

p2 = (342.66 * 4.71 * 1 + 492.54 * 4.10 * 0.57 + 32.26 * 3 * 1) / max_coefficients = 192.1247484909457

score = 237.67043842313035 * 0.5 + 192.1247484909457 * 0.5 = 214.89759345703803

Rating changes

Show

all results
Date Place Points Reason
2026-11-04 192 211.78 -> 214.90
2026-11-03 193 -> 192 211.78
2026-11-02 194 -> 193 211.78
2026-10-31 192 -> 194 211.78
2026-10-16 193 -> 192 211.78
2026-10-15 189 -> 193 227.05 -> 211.78

13 bloody tiles: 71% -> 57%
2026-10-13 192 -> 189 227.05
2026-10-03 193 -> 192 227.05
2026-09-13 194 -> 193 227.05
2026-09-06 187 -> 194 227.05

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 57% 4.10 RR 13 bloody tiles Perm
4 664 2024-05-12 37/108 0% 4.60 RR X Russian Championship Perm
5 667 2022-11-06 26/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 164 2021-11-06 47/56 0% 3.30 RR Kirov Tournament Kirov
7 128 2020-03-08 35/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
8 852 2019-09-08 5/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
9 590 2019-05-04 35/84 0% 4.20 EMA Haru Shanten 2019 Perm
10 383 2019-01-13 30/48 0% 3.10 RR Agari team tournament 2019 Moscow