Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Internal rating (RR)

Rating date Jan. 22, 2025 (latest changes Jan. 7, 2025).

29 place (594.76).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (356.32 * 3.75 * 0.43 + 616.82 * 4 * 0.57 + 897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 193.55 * 3.10 * 1) / (3.75 * 0.43 + 4 * 0.57 + 4.60 * 1 + 3.85 * 1 + 3.10 * 1) = 620.8038024069391

p2 = (897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 616.82 * 4 * 0.57 + 193.55 * 3.10 * 1) / max_coefficients = 568.7242902208202

score = 620.8038024069391 * 0.5 + 568.7242902208202 * 0.5 = 594.7640463138796

Rating changes

Show

all results
Date Place Points Reason
2025-01-07 25 -> 29 620.27 -> 594.76

Moscow Open Riichi Marathon: 0% -> 100%
2025-01-03 24 -> 25 630.23 -> 620.27

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 24 630.41 -> 630.23

Money can not buy tenpai: 57% -> 43%
2024-11-06 23 -> 24 650.62 -> 630.41

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 22 -> 23 660.11 -> 650.62

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 18 -> 22 666.57 -> 660.11
2024-10-11 17 -> 18 666.70 -> 666.57

Money can not buy tenpai: 71% -> 57%
2024-09-06 19 -> 17 663.31 -> 666.70

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 19 661.68 -> 663.31

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 33 -> 19 569.15 -> 661.68

SPB Riichi Open 2024: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 194 2025-01-07 26/32 100% 3.10 RR Moscow Open Riichi Marathon
2 747 2024-09-01 25/96 100% 3.85 RR SPB Riichi Open 2024
3 897 2024-05-12 12/108 100% 4.60 RR X Russian Championship
4 617 2023-09-03 42/108 57% 4.00 RR SPB Riichi Open 2023
5 356 2023-06-11 57/88 43% 3.75 RR Money can not buy tenpai
6 507 2022-11-06 38/76 0% 4.20 RR IX Russian Riichi Championship
7 909 2021-11-06 6/56 0% 3.30 RR Kirov Tournament
8 205 2020-03-08 32/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
9 279 2019-12-15 81/112 0% 4.05 EMA VIII Russian Riichi Championship
10 556 2019-11-04 29/64 0% 3.85 EMA Aki Shanten 2019
11 889 2019-09-08 4/28 0% 2.60 RR And yet the sinner collects tanyao
12 114 2019-07-21 32/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
13 843 2019-05-04 14/84 0% 4.20 EMA Haru Shanten 2019
14 130 2019-03-09 21/24 0% 2.50 RR Toi-Toi-man Tournament
15 648 2018-11-18 33/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
16 304 2018-07-28 17/24 0% 1.40 RR Seven ryanmens
17 155 2018-05-01 61/72 0% 3.85 EMA Haru Shanten 2018
18 733 2018-01-05 5/16 0% 1.20 RR Yakuman in discard
19 28 2017-11-12 70/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
20 667 2017-10-07 6/16 0% 1.20 RR Crouching Peacock, Hidden Dragon 2017
21 933 2017-07-08 2/16 0% 1.00 RR Third riichi mahjong tournament, Kirov 2017