Aleshin Sergey

From Moscow, Russia

EMA: 15990200

Player page

Internal rating (RR)

Rating date May 6, 2025 (latest changes May 3, 2025).

26 place (670.31).

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

p1 = (471.26 * 3.75 * 0.14 + 1000 * 4 * 0.29 + 980.39 * 3.05 * 0.86 + 647.06 * 3.05 * 1 + 835.44 * 3.65 * 1 + 905.26 * 3.85 * 1 + 382.02 * 3.75 * 1 + 392.16 * 3.05 * 1 + 300 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.86 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 3.50 * 1) = 642.1337613944015

p2 = (905.26 * 3.85 * 1 + 835.44 * 3.65 * 1 + 980.39 * 3.05 * 0.86 + 647.06 * 3.05 * 1) / max_coefficients = 698.4895899053629

score = 642.1337613944015 * 0.5 + 698.4895899053629 * 0.5 = 670.3116756498822

Rating changes

Show

all results
Date Place Points Reason
2025-05-03 21 -> 26 668.63 -> 670.31

Riichi over The Volga 2025: 0% -> 100%

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 20 -> 21 668.63
2025-04-11 20 666.99 -> 668.63

Money can not buy tenpai: 29% -> 14%
2025-03-10 16 -> 20 683.18 -> 666.99

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 15 -> 16 696.64 -> 683.18

SPB Riichi Open 2023: 57% -> 43%
2025-02-16 13 -> 15 696.64
2025-02-11 13 695.00 -> 696.64

Money can not buy tenpai: 43% -> 29%
2025-02-02 10 -> 13 709.91 -> 695.00

Agari Winter Tournament 2025: 0% -> 100%
2025-01-07 11 -> 10 709.91
2025-01-03 8 -> 11 731.46 -> 709.91

SPB Riichi Open 2023: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 300 2025-05-03 50/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 392 2025-02-02 32/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
3 382 2024-10-13 56/90 100% 3.75 RR Moscow Riichi 2024 Moscow
4 905 2024-09-01 10/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 835 2024-08-04 14/80 100% 3.65 RR Riichi over Volga Samara
6 647 2024-06-09 19/52 100% 3.05 RR Agari Summer Tournament 2024 Moscow
7 318 2024-05-12 74/108 100% 4.60 RR X Russian Championship Perm
8 980 2024-03-10 2/52 86% 3.05 RR Agari Spring Tournament 2024 Moscow
9 1000 2023-09-03 1/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 471 2023-06-11 47/88 14% 3.75 RR Money can not buy tenpai Perm
11 947 2022-11-06 5/76 0% 4.20 RR IX Russian Riichi Championship Perm
12 418 2022-03-20 40/68 0% 3.50 RR Tenpai can't buy happiness Perm
13 255 2021-12-19 36/48 0% 3.10 RR Agari team tournament Moscow
14 787 2021-11-28 17/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
15 564 2021-11-06 25/56 0% 3.30 RR Kirov Tournament Kirov
16 991 2019-12-15 2/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
17 587 2019-11-24 27/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
18 905 2019-11-04 7/64 0% 3.85 EMA Aki Shanten 2019 Perm
19 884 2019-10-20 6/44 0% 2.70 EMA Minsk Midori open 2019 Minsk
20 897 2019-06-02 5/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
21 663 2019-05-04 29/84 0% 4.20 EMA Haru Shanten 2019 Perm
22 723 2019-01-13 14/48 0% 3.10 RR Agari team tournament 2019 Moscow
23 308 2018-12-23 28/40 0% 2.90 RR North Cup 2018 Saint Petersburg
24 111 2018-12-16 57/64 0% 3.45 EMA White Dragon Tournament Moscow
25 901 2018-11-18 10/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
26 468 2018-08-19 26/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
27 261 2018-07-22 18/24 0% 2.73 RR Winner tournament. Agari season event Moscow
28 563 2018-06-11 32/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
29 936 2018-03-25 4/48 0% 2.80 EMA Great Wave 2018 Helsinki
30 446 2017-12-11 47/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
31 127 2017-11-12 63/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
32 794 2017-10-22 14/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
33 259 2017-09-24 21/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
34 543 2017-07-09 17/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
35 462 2017-03-11 22/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
36 800 2017-02-12 4/16 0% 2.30 RR February mini-tournament glhf; 2017 Moscow
37 1000 2016-12-10 1/24 0% 1.60 RR December tournament glhf; 2016 Moscow
38 494 2016-09-11 45/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
39 842 2016-08-27 4/20 0% 1.50 RR August tournament glhf; 2016 Moscow
40 826 2016-05-28 5/24 0% 1.60 RR May tournament glhf; 2016 Moscow
41 61 2016-03-13 94/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
42 769 2016-02-22 10/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
43 733 2016-02-06 5/16 0% 1.40 RR February tournament glhf; 2016 Moscow
44 118 2015-10-18 46/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
45 686 2015-08-22 12/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod
46 635 2014-12-07 24/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow