Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Common russian riichi rating (CRR)

Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).

26 place (643.13).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (478.26 * 2.80 * 0.29 + 506.67 * 4.20 * 0.14 + 356.32 * 3.75 * 0.71 + 66.67 * 1.20 * 0.86 + 616.82 * 4 * 0.86 + 897.20 * 4.60 * 1 + 747.37 * 3.85 * 1) / (2.80 * 0.29 + 4.20 * 0.14 + 3.75 * 0.71 + 1.20 * 0.86 + 4 * 0.86 + 4.60 * 1 + 3.85 * 1) = 637.5297787519314

p2 = (897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 616.82 * 4 * 0.86 + 356.32 * 3.75 * 0.71) / max_coefficients = 648.722984982355

score = 637.5297787519314 * 0.5 + 648.722984982355 * 0.5 = 643.1263818671432

Rating changes

Show

all results
Date Place Points Reason
2024-09-06 27 -> 26 640.89 -> 643.13

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 27 640.07 -> 640.89

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 40 -> 27 567.39 -> 640.07

SPB Riichi Open 2024: 0% -> 100%
2024-08-26 40 564.22 -> 567.39

Riichi or die: 100% -> 86%
2024-08-18 41 -> 40 562.65 -> 564.22

Meeting in the billiard room: 43% -> 29%
2024-08-11 43 -> 41 561.89 -> 562.65

Money can not buy tenpai: 86% -> 71%
2024-08-04 37 -> 43 572.79 -> 561.89
2024-07-14 33 -> 37 572.79
2024-07-06 32 -> 33 581.57 -> 572.79

IX Russian Riichi Championship: 43% -> 29%
2024-07-03 33 -> 32 580.26 -> 581.57

Vyatka rooster: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 747 2024-09-01 25/96 100% 3.85 RR SPB Riichi Open 2024
2 897 2024-05-12 12/108 100% 4.60 RR X Russian Championship
3 617 2023-09-03 42/108 86% 4.00 RR SPB Riichi Open 2023
4 67 2023-08-26 15/16 86% 1.20 CRR Riichi or die
5 356 2023-06-11 57/88 71% 3.75 RR Money can not buy tenpai
6 478 2022-12-18 13/24 29% 2.80 CRR Meeting in the billiard room
7 507 2022-11-06 38/76 14% 4.20 RR IX Russian Riichi Championship
8 333 2022-07-03 11/16 0% 1.20 CRR Vyatka rooster
9 909 2021-11-06 6/56 0% 3.30 RR Kirov Tournament
10 205 2020-03-08 32/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
11 279 2019-12-15 81/112 0% 4.05 EMA VIII Russian Riichi Championship
12 556 2019-11-04 29/64 0% 3.85 EMA Aki Shanten 2019
13 889 2019-09-08 4/28 0% 2.60 RR And yet the sinner collects tanyao
14 114 2019-07-21 32/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
15 843 2019-05-04 14/84 0% 4.20 EMA Haru Shanten 2019
16 130 2019-03-09 21/24 0% 2.50 RR Toi-Toi-man Tournament
17 648 2018-11-18 33/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
18 304 2018-07-28 17/24 0% 1.40 RR Seven ryanmens
19 155 2018-05-01 61/72 0% 3.85 EMA Haru Shanten 2018
20 733 2018-01-05 5/16 0% 1.20 RR Yakuman in discard
21 28 2017-11-12 70/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
22 667 2017-10-07 6/16 0% 1.20 RR Crouching Peacock, Hidden Dragon 2017
23 933 2017-07-08 2/16 0% 1.00 RR Third riichi mahjong tournament, Kirov 2017
24 545 2017-04-09 6/12 0% 0.90 CRR Second riichi mahjong tournament, Kirov 2017