Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Internal rating (RR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

40 place (425.79).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (506.67 * 4.20 * 0.86 + 356.32 * 3.75 * 1 + 616.82 * 4 * 1 + 0 + 0) / (4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1 + 1) = 421.534522562851

p2 = (616.82 * 4 * 1 + 506.67 * 4.20 * 0.86 + 356.32 * 3.75 * 1) / max_coefficients = 430.04436157164525

score = 421.534522562851 * 0.5 + 430.04436157164525 * 0.5 = 425.78944206724816

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 41 -> 40 425.79
2023-12-12 42 -> 41 416.69 -> 425.79
2023-11-20 43 -> 42 416.69
2023-11-06 46 -> 43 416.34 -> 416.69

Kirov Tournament: 14% -> 0%

IX Russian Riichi Championship: 100% -> 86%
2021-02-01 48 -> 46 553.91 -> 416.34
2020-02-01 48 553.91

Tournaments

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