Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date Dec. 4, 2022 (latest changes Dec. 4, 2022).
42 place (427.66).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85
p1 = (447.76 * 3.50 * 1 + 893.33 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 497.11775700934584
p2 = (893.33 * 4.20 * 1 + 447.76 * 3.50 * 1) / max_coefficients = 358.1925925925926
score = 497.11775700934584 * 0.5 + 358.1925925925926 * 0.5 = 427.65517480096923
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-28 | 44 -> 42 | 423.53 -> 427.66 | |
2022-11-06 | 126 -> 44 | 322.92 -> 423.53 |
IX Russian Riichi Championship: 0% -> 100% |
2020-02-01 | 126 | 322.92 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 893 |
|
9/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 448 |
|
38/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
3 | 133 |
|
14/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
4 | 452 |
|
18/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
5 | 887 |
|
9/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
6 | 718 |
|
21/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
7 | 667 |
|
22/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
8 | 0 |
|
100/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
9 | 795 |
|
9/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 |
10 | 137 |
|
45/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
11 | 67 |
|
15/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2015 |
12 | 895 |
|
3/20 | 0% | 1.30 | RR | "Haku no Ten" autumn riichi mahjong tournament 2015 |
13 | 87 |
|
22/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
14 | 175 |
|
53/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
15 | 333 |
|
11/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
16 | 267 |
|
56/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
17 | 366 |
|
46/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
18 | 733 |
|
5/16 | 0% | 1.00 | RR | "Haku no Ten" spring riichi mahjong tournament 2013 |