Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Common russian riichi rating (CRR)

Rating date Dec. 6, 2024 (latest changes Dec. 1, 2024).

20 place (658.28).

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

p1 = (478.26 * 2.80 * 0.14 + 356.32 * 3.75 * 0.57 + 66.67 * 1.20 * 0.71 + 616.82 * 4 * 0.71 + 897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 608.70 * 2.80 * 1) / (2.80 * 0.14 + 3.75 * 0.57 + 1.20 * 0.71 + 4 * 0.71 + 4.60 * 1 + 3.85 * 1 + 2.80 * 1) = 655.9130142232666

p2 = (897.20 * 4.60 * 1 + 747.37 * 3.85 * 1 + 616.82 * 4 * 0.71 + 608.70 * 2.80 * 1) / max_coefficients = 660.6441640378549

score = 655.9130142232666 * 0.5 + 660.6441640378549 * 0.5 = 658.2785891305607

Rating changes

Show

Date Place Points Reason
2024-12-01 25 -> 20 633.09 -> 658.28

Riichi never changing: 0% -> 100%

2024-11-05 28 -> 25 629.99 -> 633.09
2024-11-03 26 -> 28 640.35 -> 629.99

SPB Riichi Open 2023: 86% -> 71%

2024-10-26 27 -> 26 637.20 -> 640.35

Riichi or die: 86% -> 71%

2024-10-22 26 -> 27 637.20
2024-10-18 26 635.10 -> 637.20

Meeting in the billiard room: 29% -> 14%

2024-10-13 24 -> 26 641.56 -> 635.10
2024-10-11 26 -> 24 643.13 -> 641.56

Money can not buy tenpai: 71% -> 57%

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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 609 2024-12-01 10/24 100% 2.80 CRR Riichi never changing
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 71% 4.00 RR SPB Riichi Open 2023
5 67 2023-08-26 15/16 71% 1.20 CRR Riichi or die
6 356 2023-06-11 57/88 57% 3.75 RR Money can not buy tenpai
7 478 2022-12-18 13/24 14% 2.80 CRR Meeting in the billiard room
8 507 2022-11-06 38/76 0% 4.20 RR IX Russian Riichi Championship
9 333 2022-07-03 11/16 0% 1.20 CRR Vyatka rooster
10 909 2021-11-06 6/56 0% 3.30 RR Kirov Tournament
11 205 2020-03-08 32/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
12 279 2019-12-15 81/112 0% 4.05 EMA VIII Russian Riichi Championship
13 556 2019-11-04 29/64 0% 3.85 EMA Aki Shanten 2019
14 889 2019-09-08 4/28 0% 2.60 RR And yet the sinner collects tanyao
15 114 2019-07-21 32/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
16 843 2019-05-04 14/84 0% 4.20 EMA Haru Shanten 2019
17 130 2019-03-09 21/24 0% 2.50 RR Toi-Toi-man Tournament
18 648 2018-11-18 33/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
19 304 2018-07-28 17/24 0% 1.40 RR Seven ryanmens
20 155 2018-05-01 61/72 0% 3.85 EMA Haru Shanten 2018
21 733 2018-01-05 5/16 0% 1.20 RR Yakuman in discard
22 28 2017-11-12 70/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
23 667 2017-10-07 6/16 0% 1.20 RR Crouching Peacock, Hidden Dragon 2017
24 933 2017-07-08 2/16 0% 1.00 RR Third riichi mahjong tournament, Kirov 2017
25 545 2017-04-09 6/12 0% 0.90 CRR Second riichi mahjong tournament, Kirov 2017