Aleshin Sergey

From Moscow, Russia

EMA: 15990200

Player page

Internal rating (RR)

Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).

7 place (771.81).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (1000 * 4 * 0.14 + 980.39 * 3.05 * 0.57 + 317.76 * 4.60 * 0.71 + 647.06 * 3.05 * 0.71 + 835.44 * 3.65 * 0.86 + 905.26 * 3.85 * 1 + 382.02 * 3.75 * 1 + 392.16 * 3.05 * 1 + 940.30 * 4.10 * 1 + 666.67 * 2.45 * 1 + 857.14 * 3.45 * 1) / (4 * 0.14 + 3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.65 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 4.10 * 1 + 2.45 * 1 + 3.45 * 1) = 694.2061996667638

p2 = (940.30 * 4.10 * 1 + 905.26 * 3.85 * 1 + 857.14 * 3.45 * 1 + 835.44 * 3.65 * 0.86) / max_coefficients = 849.4230263157895

score = 694.2061996667638 * 0.5 + 849.4230263157895 * 0.5 = 771.8146129912766

Rating changes

Show

all results
Date Place Points Reason
2025-08-31 13 -> 7 720.74 -> 771.81

SPB Riichi Open 2025: 0% -> 100%
2025-08-09 13 720.54 -> 720.74

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 11 -> 13 732.43 -> 720.54

Riichi over Volga: 100% -> 86%
2025-07-13 10 -> 11 732.89 -> 732.43

Agari Summer Tournament 2025: 0% -> 100%
2025-07-12 12 -> 10 722.93 -> 732.89

X Russian Championship: 86% -> 71%
2025-07-10 11 -> 12 739.05 -> 722.93

Agari Spring Tournament 2024: 71% -> 57%
2025-07-03 10 -> 11 742.36 -> 739.05

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 31 -> 10 637.94 -> 742.36

13 bloody tiles: 0% -> 100%
2025-06-11 28 -> 31 659.01 -> 637.94

Money can not buy tenpai: 14% -> 0%
2025-06-09 27 -> 28 668.39 -> 659.01

Agari Summer Tournament 2024: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 857 2025-08-31 12/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 667 2025-07-13 11/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
3 940 2025-06-15 5/68 100% 4.10 RR 13 bloody tiles Perm
4 300 2025-05-03 50/71 100% 3.50 RR Riichi over The Volga 2025 Samara
5 392 2025-02-02 32/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
6 382 2024-10-13 56/90 100% 3.75 RR Moscow Riichi 2024 Moscow
7 905 2024-09-01 10/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 835 2024-08-04 14/80 86% 3.65 RR Riichi over Volga Samara
9 647 2024-06-09 19/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
10 318 2024-05-12 74/108 71% 4.60 RR X Russian Championship Perm
11 980 2024-03-10 🥈 2/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
12 1000 2023-09-03 🥇 1/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
13 471 2023-06-11 47/88 0% 3.75 RR Money can not buy tenpai Perm
14 947 2022-11-06 5/76 0% 4.20 RR IX Russian Riichi Championship Perm
15 418 2022-03-20 40/68 0% 3.50 RR Tenpai can't buy happiness Perm
16 255 2021-12-19 36/48 0% 3.10 RR Agari team tournament Moscow
17 787 2021-11-28 17/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
18 564 2021-11-06 25/56 0% 3.30 RR Kirov Tournament Kirov
19 991 2019-12-15 🥈 2/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
20 587 2019-11-24 27/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
21 905 2019-11-04 7/64 0% 3.85 EMA Aki Shanten 2019 Perm
22 884 2019-10-20 6/44 0% 2.70 EMA Minsk Midori open 2019 Minsk
23 897 2019-06-02 5/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
24 663 2019-05-04 29/84 0% 4.20 EMA Haru Shanten 2019 Perm
25 723 2019-01-13 14/48 0% 3.10 RR Agari team tournament 2019 Moscow
26 308 2018-12-23 28/40 0% 2.90 RR North Cup 2018 Saint Petersburg
27 111 2018-12-16 57/64 0% 3.45 EMA White Dragon Tournament Moscow
28 901 2018-11-18 10/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
29 468 2018-08-19 26/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
30 261 2018-07-22 18/24 0% 2.73 RR Winner tournament. Agari season event Moscow
31 563 2018-06-11 32/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
32 936 2018-03-25 4/48 0% 2.80 EMA Great Wave 2018 Helsinki
33 446 2017-12-11 47/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
34 127 2017-11-12 63/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
35 794 2017-10-22 14/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
36 259 2017-09-24 21/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
37 543 2017-07-09 17/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
38 462 2017-03-11 22/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
39 800 2017-02-12 4/16 0% 2.30 RR February mini-tournament glhf; 2017 Moscow
40 1000 2016-12-10 🥇 1/24 0% 1.60 RR December tournament glhf; 2016 Moscow
41 494 2016-09-11 45/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
42 842 2016-08-27 4/20 0% 1.50 RR August tournament glhf; 2016 Moscow
43 826 2016-05-28 5/24 0% 1.60 RR May tournament glhf; 2016 Moscow
44 61 2016-03-13 94/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
45 769 2016-02-22 10/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
46 733 2016-02-06 5/16 0% 1.40 RR February tournament glhf; 2016 Moscow
47 118 2015-10-18 46/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
48 686 2015-08-22 12/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod
49 635 2014-12-07 24/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow