Aleshin Sergey

From Moscow, Russia

EMA: 15990200

Player page

Internal rating (RR)

Rating date June 21, 2026 (latest changes June 16, 2026).

20 place (714.29).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (835.44 * 3.65 * 0.14 + 905.26 * 3.85 * 0.29 + 382.02 * 3.75 * 0.29 + 392.16 * 3.05 * 0.57 + 300 * 3.50 * 0.86 + 940.30 * 4.10 * 0.86 + 666.67 * 2.45 * 1 + 857.14 * 3.45 * 1 + 947.37 * 3.90 * 1 + 419.35 * 3 * 1 + 440 * 3.10 * 1 + 777.78 * 2.45 * 1) / (3.65 * 0.14 + 3.85 * 0.29 + 3.75 * 0.29 + 3.05 * 0.57 + 3.50 * 0.86 + 4.10 * 0.86 + 2.45 * 1 + 3.45 * 1 + 3.90 * 1 + 3 * 1 + 3.10 * 1 + 2.45 * 1) = 666.9475575378328

p2 = (947.37 * 3.90 * 1 + 940.30 * 4.10 * 0.86 + 857.14 * 3.45 * 1 + 777.78 * 2.45 * 1) / max_coefficients = 761.6326069354847

score = 666.9475575378328 * 0.5 + 761.6326069354847 * 0.5 = 714.2900822366587

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 15 -> 20 720.21 -> 714.29

13 bloody tiles: 100% -> 86%
2026-06-14 8 -> 15 774.86 -> 720.21

XII Russian Championship: 0% -> 100%
2026-06-13 8 771.62 -> 774.86

Moscow Riichi 2024: 43% -> 29%
2026-06-09 8 771.14 -> 771.62

Agari Summer Tournament 2024: 14% -> 0%
2026-06-04 8 772.33 -> 771.14

Riichi over Volga: 29% -> 14%
2026-06-02 8 769.93 -> 772.33

Agari Winter Tournament 2025: 71% -> 57%
2026-05-17 9 -> 8 757.34 -> 769.93

Hatiko under the sakura: 0% -> 100%
2026-05-12 9 752.73 -> 757.34

X Russian Championship: 14% -> 0%
2026-05-03 9 749.99 -> 752.73

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 9 752.16 -> 749.99

SPB Riichi Open 2024: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 329 2026-06-14 97/144 100% 4.71 RR XII Russian Championship Samara
2 778 2026-05-17 7/28 100% 2.45 RR Hatiko under the sakura Korolyov
3 440 2026-04-05 29/51 100% 3.10 RR Moscow Riichi 2026 Moscow
4 419 2025-11-30 19/32 100% 3.00 RR Final Cup 2025 Moscow
5 947 2025-11-04 4/58 100% 3.90 RR XI Russian Championship Moscow
6 857 2025-08-31 12/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
7 667 2025-07-13 11/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
8 940 2025-06-15 5/68 86% 4.10 RR 13 bloody tiles Perm
9 300 2025-05-03 50/71 86% 3.50 RR Riichi over The Volga 2025 Samara
10 392 2025-02-02 32/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
11 382 2024-10-13 56/90 29% 3.75 RR Moscow Riichi 2024 Moscow
12 905 2024-09-01 10/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
13 835 2024-08-04 14/80 14% 3.65 RR Riichi over Volga Samara
14 647 2024-06-09 19/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
15 318 2024-05-12 74/108 0% 4.60 RR X Russian Championship Perm
16 980 2024-03-10 🥈 2/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
17 1000 2023-09-03 🥇 1/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
18 471 2023-06-11 47/88 0% 3.75 RR Money can not buy tenpai Perm
19 947 2022-11-06 5/76 0% 4.20 RR IX Russian Riichi Championship Perm
20 409 2022-03-20 40/67 0% 3.45 RR Tenpai can't buy happiness Perm
21 255 2021-12-19 36/48 0% 3.10 RR Agari team tournament Moscow
22 787 2021-11-28 17/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
23 564 2021-11-06 25/56 0% 3.30 RR Kirov Tournament Kirov
24 991 2019-12-15 🥈 2/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
25 587 2019-11-24 27/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
26 905 2019-11-04 7/64 0% 3.85 EMA Aki Shanten 2019 Perm
27 884 2019-10-20 6/44 0% 2.70 EMA Minsk Midori open 2019 Minsk
28 897 2019-06-02 5/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
29 663 2019-05-04 29/84 0% 4.20 EMA Haru Shanten 2019 Perm
30 723 2019-01-13 14/48 0% 3.10 RR Agari team tournament 2019 Moscow
31 308 2018-12-23 28/40 0% 2.90 RR North Cup 2018 Saint Petersburg
32 111 2018-12-16 57/64 0% 3.45 EMA White Dragon Tournament Moscow
33 901 2018-11-18 10/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
34 468 2018-08-19 26/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
35 261 2018-07-22 18/24 0% 2.73 RR Winner tournament. Agari season event Moscow
36 563 2018-06-11 32/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
37 936 2018-03-25 4/48 0% 2.80 EMA Great Wave 2018 Helsinki
38 446 2017-12-11 47/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
39 127 2017-11-12 63/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
40 794 2017-10-22 14/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
41 259 2017-09-24 21/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
42 543 2017-07-09 17/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
43 462 2017-03-11 22/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
44 800 2017-02-12 4/16 0% 2.30 RR February mini-tournament glhf; 2017 Moscow
45 1000 2016-12-10 🥇 1/24 0% 1.60 RR December tournament glhf; 2016 Moscow
46 494 2016-09-11 45/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
47 842 2016-08-27 4/20 0% 1.50 RR August tournament glhf; 2016 Moscow
48 826 2016-05-28 5/24 0% 1.60 RR May tournament glhf; 2016 Moscow
49 61 2016-03-13 94/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
50 769 2016-02-22 10/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
51 733 2016-02-06 5/16 0% 1.40 RR February tournament glhf; 2016 Moscow
52 118 2015-10-18 46/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
53 686 2015-08-22 12/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015 Nizhny Novgorod
54 635 2014-12-07 24/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow