Kotova Velena

From Izhevsk, Russia

EMA: 15990160

Player page

Internal rating (RR)

Rating date Aug. 14, 2026 (latest changes Aug. 13, 2026).

137 place (334.61).

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

p1 = (955.06 * 3.75 * 0.14 + 196.08 * 3.05 * 0.43 + 883.72 * 3 * 0.86 + 0 + 0) / (3.75 * 0.14 + 3.05 * 0.43 + 3 * 0.86 + 1 + 1) = 473.99875748413143

p2 = (883.72 * 3 * 0.86 + 955.06 * 3.75 * 0.14 + 196.08 * 3.05 * 0.43) / max_coefficients = 195.22271256591873

score = 473.99875748413143 * 0.5 + 195.22271256591873 * 0.5 = 334.61073502502506

Rating changes

Show

all results
Date Place Points Reason
2026-08-13 126 -> 137 369.56 -> 334.61

Moscow Riichi 2024: 29% -> 14%
2026-08-03 117 -> 126 392.55 -> 369.56

Two roosters and Chuckles: 100% -> 86%
2026-08-02 116 -> 117 385.91 -> 392.55

Agari Winter Tournament 2025: 57% -> 43%
2026-07-14 117 -> 116 385.91
2026-07-13 118 -> 117 385.91
2026-07-12 115 -> 118 385.91
2026-07-02 118 -> 115 385.91
2026-06-27 119 -> 118 385.91
2026-06-15 119 381.24 -> 385.91
2026-06-14 96 -> 119 392.20 -> 381.24

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 884 2025-08-03 6/44 86% 3.00 RR Two roosters and Chuckles Kirov
2 196 2025-02-02 42/52 43% 3.05 RR Agari Winter Tournament 2025 Moscow
3 955 2024-10-13 5/90 14% 3.75 RR Moscow Riichi 2024 Moscow
4 922 2024-06-09 5/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
5 355 2024-05-12 70/108 0% 4.60 RR X Russian Championship Perm
6 941 2024-03-10 4/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
7 241 2023-06-11 67/88 0% 3.75 RR Money can not buy tenpai Perm
8 893 2022-11-06 9/76 0% 4.20 RR IX Russian Riichi Championship Perm
9 439 2022-03-20 38/67 0% 3.45 RR Tenpai can't buy happiness Perm
10 133 2018-12-02 14/16 0% 2.30 RR Arkhangelsk Championship Arkhangelsk
11 452 2018-10-28 18/32 0% 2.70 EMA Tsukimi 2018 Vologda
12 887 2018-06-11 9/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
13 718 2018-05-01 21/72 0% 3.85 EMA Haru Shanten 2018 Perm
14 667 2017-10-22 22/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
15 0 2016-03-13 100/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
16 795 2016-02-22 9/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016 Ivanovo
17 137 2015-10-18 45/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
18 67 2015-07-12 15/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2015 Vologda
19 895 2015-04-05 🥉 3/20 0% 1.30 RR "Haku no Ten" autumn riichi mahjong tournament 2015 Vologda
20 222 2014-10-18 22/28 0% 1.50 EMA Vologda Riichi Championship 2014 Vologda
21 175 2014-09-21 53/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
22 333 2014-06-29 11/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014 Vologda
23 267 2014-02-15 56/76 0% 2.50 RR Moscow Riichi 2014 Moscow
24 366 2013-12-08 46/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
25 733 2013-03-31 5/16 0% 1.00 RR "Haku no Ten" spring riichi mahjong tournament 2013 Vologda