Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
33 place (462.63).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (893.33 * 4.20 * 0.43 + 241.38 * 3.75 * 1 + 941.18 * 3.05 * 1 + 0 + 0) / (4.20 * 0.43 + 3.75 * 1 + 3.05 * 1 + 1 + 1) = 507.9065142658762
p2 = (941.18 * 3.05 * 1 + 893.33 * 4.20 * 0.43 + 241.38 * 3.75 * 1) / max_coefficients = 417.3542635658915
score = 507.9065142658762 * 0.5 + 417.3542635658915 * 0.5 = 462.6303889158838
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-05-06 | 31 -> 33 | 488.50 -> 462.63 |
IX Russian Riichi Championship: 57% -> 43% |
2024-03-30 | 27 -> 31 | 488.50 | |
2024-03-20 | 22 -> 27 | 519.80 -> 488.50 |
Tenpai can't buy happiness: 14% -> 0% |
2024-03-10 | 57 -> 22 | 333.92 -> 519.80 |
Agari Spring Tournament 2024: 0% -> 100% |
2024-03-06 | 52 -> 57 | 365.85 -> 333.92 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-12 | 53 -> 52 | 358.44 -> 365.85 | |
2024-01-20 | 53 | 368.32 -> 358.44 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 49 -> 53 | 395.29 -> 368.32 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 50 -> 49 | 395.29 | |
2023-12-12 | 50 | 387.90 -> 395.29 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 941 |
|
4/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
2 | 241 |
|
67/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 893 |
|
9/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
4 | 448 |
|
38/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
5 | 133 |
|
14/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
6 | 452 |
|
18/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
7 | 887 |
|
9/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
8 | 718 |
|
21/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
9 | 667 |
|
22/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
10 | 0 |
|
100/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
11 | 795 |
|
9/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 |
12 | 137 |
|
45/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
13 | 67 |
|
15/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2015 |
14 | 895 |
|
3/20 | 0% | 1.30 | RR | "Haku no Ten" autumn riichi mahjong tournament 2015 |
15 | 87 |
|
22/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
16 | 175 |
|
53/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
17 | 333 |
|
11/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
18 | 267 |
|
56/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
19 | 366 |
|
46/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
20 | 733 |
|
5/16 | 0% | 1.00 | RR | "Haku no Ten" spring riichi mahjong tournament 2013 |