Ermolaev Alexey

Winner Yoroshiku League 2

From Kirov, Russia

EMA: 15990340

Player page

Internal rating (RR)

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

39 place (459.88).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (909.09 * 3.30 * 0.14 + 506.67 * 4.20 * 1 + 356.32 * 3.75 * 1 + 616.82 * 4 * 1 + 0) / (3.30 * 0.14 + 4.20 * 1 + 3.75 * 1 + 4 * 1 + 1) = 473.8789873315864

p2 = (616.82 * 4 * 1 + 506.67 * 4.20 * 1 + 356.32 * 3.75 * 1 + 909.09 * 3.30 * 0.14) / max_coefficients = 445.88644134218816

score = 473.8789873315864 * 0.5 + 445.88644134218816 * 0.5 = 459.88271433688726

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 41 -> 39 451.19 -> 459.88
2023-09-28 42 -> 41 451.19
2023-09-06 38 -> 42 473.00 -> 451.19

Kirov Tournament: 29% -> 14%
2023-09-03 58 -> 38 366.59 -> 473.00

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 59 -> 58 366.59
2023-08-12 61 -> 59 359.34 -> 366.59
2023-07-28 62 -> 61 359.34
2023-07-20 63 -> 62 353.56 -> 359.34
2023-07-06 54 -> 63 379.59 -> 353.56

Kirov Tournament: 43% -> 29%
2023-06-19 57 -> 54 379.59

Tournaments

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