Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Internal rating (RR)

Rating date Sept. 19, 2026 (latest changes Sept. 13, 2026).

22 place (701.75).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (193.55 * 3.10 * 0.29 + 971.43 * 3.50 * 0.57 + 671.64 * 4.10 * 0.71 + 627.91 * 3 * 0.86 + 709.68 * 3 * 1 + 664.34 * 4.71 * 1 + 943.66 * 3.40 * 1) / (3.10 * 0.29 + 3.50 * 0.57 + 4.10 * 0.71 + 3 * 0.86 + 3 * 1 + 4.71 * 1 + 3.40 * 1) = 726.4348182914006

p2 = (943.66 * 3.40 * 1 + 664.34 * 4.71 * 1 + 709.68 * 3 * 1 + 671.64 * 4.10 * 0.71) / max_coefficients = 677.0597014925373

score = 726.4348182914006 * 0.5 + 677.0597014925373 * 0.5 = 701.747259891969

Rating changes

Show

all results
Date Place Points Reason
2026-09-07 24 -> 22 695.83 -> 701.75

Moscow Open Riichi Marathon: 43% -> 29%
2026-09-06 38 -> 24 631.21 -> 695.83

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-03 33 -> 38 651.44 -> 631.21

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 31 -> 33 652.55 -> 651.44

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 32 -> 31 651.54 -> 652.55
2026-08-16 28 -> 32 651.54
2026-08-15 27 -> 28 661.76 -> 651.54

13 bloody tiles: 86% -> 71%
2026-08-04 26 -> 27 661.76
2026-08-03 26 661.18 -> 661.76

Two roosters and Chuckles: 100% -> 86%
2026-08-02 27 -> 26 661.18

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 944 2026-09-06 5/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 664 2026-06-14 49/144 100% 4.71 RR XII Russian Championship Samara
3 710 2025-11-30 10/32 100% 3.00 RR Final Cup 2025 Moscow
4 628 2025-08-03 17/44 86% 3.00 RR Two roosters and Chuckles Kirov
5 672 2025-06-15 23/68 71% 4.10 RR 13 bloody tiles Perm
6 971 2025-05-03 🥉 3/71 57% 3.50 RR Riichi over The Volga 2025 Samara
7 194 2025-01-07 26/32 29% 3.10 RR Moscow Open Riichi Marathon Moscow
8 747 2024-09-01 25/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
9 897 2024-05-12 12/108 0% 4.60 RR X Russian Championship Perm
10 617 2023-09-03 42/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
11 356 2023-06-11 57/88 0% 3.75 RR Money can not buy tenpai Perm
12 507 2022-11-06 38/76 0% 4.20 RR IX Russian Riichi Championship Perm
13 909 2021-11-06 6/56 0% 3.30 RR Kirov Tournament Kirov
14 205 2020-03-08 32/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
15 279 2019-12-15 81/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
16 556 2019-11-04 29/64 0% 3.85 EMA Aki Shanten 2019 Perm
17 889 2019-09-08 4/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
18 114 2019-07-21 32/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
19 843 2019-05-04 14/84 0% 4.20 EMA Haru Shanten 2019 Perm
20 130 2019-03-09 21/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
21 648 2018-11-18 33/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
22 304 2018-07-28 17/24 0% 1.40 RR Seven ryanmens Kirov
23 155 2018-05-01 61/72 0% 3.85 EMA Haru Shanten 2018 Perm
24 733 2018-01-05 5/16 0% 1.20 RR Yakuman in discard Kirov
25 28 2017-11-12 70/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
26 667 2017-10-07 6/16 0% 1.20 RR Crouching Peacock, Hidden Dragon 2017 Kirov
27 933 2017-07-08 🥈 2/16 0% 1.00 RR Third riichi mahjong tournament, Kirov 2017 Kirov